density · Yield · Triticum aestivum (wheat)

Effects of nitrogen applied at different dates, and of other cultural treatments on eyespot, lodging and yield of winter wheat. Field experiment 1952 · 1955

• positive
  Lowering the seed rate from 3 to 1½ bushels/acre increased the mean yield of the two varieties by 2·1 cwt. per acre in sprayed plots.
• positive
  Lowering the seed rate from 3 to 1½ bushels/acre increased the mean yield of the two varieties by 4·9 cwt. in unsprayed plots.

cited by 2 papers here

Effects of nitrogen applied at different dates, and of other cultural treatments on eyespot, take-all and yield of winter wheat (field experiment, 1953) · 1957

• positive
  Halving seed rate increased wheat yield by 2·6 cwt./acre in well-fertilized plots.
• positive
  Halving seed rate increased wheat yield by 8·3 cwt. in nitrogen-deficient plots.

cites 1 paper herecited by 1 paper here

EFFECTS OF PREVIOUS WHEAT CROPS, SEED‐RATE AND NITROGEN ON EYESPOT, TAKE‐ALL, WEEDS AND YIELDS OF TWO VARIETIES OF WINTER WHEAT: FIELD EXPERIMENT 1954‐56 · 1959

• positive
  A higher seed rate increased grain yield by 3.3 cwt./acre on average.

cites 2 papers here

INFLUENCE OF LOW SEEDING RATES ON WHEAT YIELD IN SOUTHWESTERN SASKATCHEWAN · 1969

• positive
  Low seeding rates (22-67 kg/ha) gave significantly more grain than higher seeding rates when pests and weeds were controlled, with greatest gains in drought years.

  compared with higher seeding rates

cited by 2 papers here

Effect of seed rate and irrigation level on the performance of wheat cv. Gourab · 1970

• positive
  At 140 kg ha-1, filled grains per spike were highest at 31.05.
• positive
  At 140 kg ha-1, effective tillers per plant were highest at 3.49.
• positive
  At 140 kg ha-1, straw yield was highest at 3.73 t ha-1.
• positive
  At 140 kg ha-1, grain yield was highest at 2.82 t ha-1.
• positive
  At 140 kg ha-1, spikelets per spike were highest at 15.50.
• positive
  At 140 kg ha-1, harvest index was highest at 42.43%.
• positive
  At 140 kg ha-1, biological yield was highest at 6.55 t ha-1.
• positive
  At 140 kg ha-1, total tillers per plant were highest at 8.99.
• positive
  At 140 kg ha-1, spike length was highest at 8.05 cm.

cited by 2 papers here

Sowing of spring cereals in broad bands and the effect of sowing rate, rolling and irrigation on the results · 1972

• positive
  Wheat grain yield was 9 ± 2% higher when sown in 7 cm bands with 12.5 cm spacing than in 2 cm rows

  compared with rows of 2 cm

• positive
  Wheat yield was 5 ± 2% higher in 7 cm bands with 12.5 cm spacing than in 10 cm bands with 25 cm spacing

  compared with bands 10 cm wide with 25 cm spacing

EFFECTS OF SEEDING RATE AND ROW SPACING ON AGRONOMIC CHARACTERISTICS OF GLENLEA, PITIC 62 AND NEEPAWA WHEATS · 1975

• positive
  Higher seeding rates generally resulted in higher yields for all cultivars.

cites 1 paper herecited by 1 paper here

Effect of sowing date and seed rate on crop development and grain production of winter wheat. · 1977

• positive
  Higher sowing rate increased ear number.
• positive
  With late sowing, higher sowing rate raised grain yield.
• positive
  With late sowing, higher sowing rate raised ear number.
• no effect
  Sowing rate did not affect yield with early sowing.
• negative
  Higher sowing rate decreased grains per ear.

cited by 5 papers here

The effect of sowing density and application of gibberellic acid on male sterility and ear emergence in ethephon‐treated field‐grown wheat · 1978

• positive
  More tillers responded to GA3 with fully emerged ears at higher density.

Patterns of tillering and grain production of winter wheat at a wide range of plant densities. · 1978

• positive
  A 160-fold density increase produced a threefold grain yield increase.

  compared with 5-800 plants/m2

• no effect
  Grain yield remained constant at higher plant densities.

cites 1 paper herecited by 6 papers here

THE EFFECTS OF SEEDING RATE, SEEDING DATE AND LOCATION ON GRAIN YIELD, MATURITY, PROTEIN PERCENTAGE AND PROTEIN YIELD OF SOME SPRING WHEATS IN CENTRAL ALBERTA · 1979

• positive
  Early seeding with at least 90 kg/ha gave optimum yield.

cited by 2 papers here

Response of a conventional and a semi-dwarf wheat, and rape, to superphosphate · 1979

• positive
  Wheat yields were 22% greater at the higher sowing rate.
• positive
  The heavier sowing rate increased the yield component spikes per hectare.

Effect of Seeding Rates and Row Spacing on Forage and Grain Production of Triticale, Wheat, and Rye¹ · 1980

• positive
  Seeding rates of 75 and 100 kg/ha produced significantly more forage in wheat than seeding at 50 kg/ha.

  compared with seeding at 50 kg /ha

cited by 1 paper here

HARVEST INDEX AS A SELECTION CRITERION FOR GRAIN YIELD IN TWO SPRING WHEAT CROSSES GROWN AT TWO POPULATION DENSITIES · 1980

• positive
  Lines selected at higher commercial seeding rates generally yielded more than those selected at lower density.

  compared with lower plant density

Effect of plant density and nitrogen on wheat F₁ hybrids and their parents · 1980

• positive
  Higher seed rate increased tiller density.
• positive
  Grain yield rose only from the lowest to second-lowest seed rate in both experiments.

  compared with lowest

• negative
  Higher seed rate decreased spikelets per ear.
• negative
  Higher seed rate decreased grains per spikelet.

cites 1 paper here

Effect of wheat seeding rate on wild oat competition · 1980

• positive
  Higher wheat seeding rate reduced wild oat seed production, especially at low weed density.

cited by 5 papers here

Ear development and formation of grain yield in winter wheat. · 1980

• positive
  Maximum grain yield could be achieved at moderate plant densities.

cited by 2 papers here

EFFECT OF SEEDING RATE ON GRAIN YIELD, STRAW YIELD AND HARVEST INDEX OF EIGHT SPRING WHEAT CULTIVARS · 1982

• positive
  Canuck harvest index increased significantly as seeding rate increased.
• positive
  Pitic 62 grain yield showed the greatest increase in another experiment.
• positive
  Across experiments, the highest seeding rate produced the highest grain yield.
• negative
  Pitic 62 grain yield decreased significantly with increasing seeding rate in one experiment.

cites 1 paper here

Yield Component Comparisons between USA and USSR Winter Wheat Cultivars¹ · 1982

• positive
  Bezostaya maintained higher kernel number than Roughrider and fell about 12% at high density.

  compared with Roughrider

• positive
  Mironovskaya maintained higher kernel number than Roughrider and fell about 8% at high density.

  compared with Roughrider

• negative
  At high density Roughrider had 21% fewer kernels per head with nitrogen fertilization.

  compared with low plant population densities

• no effect
  Under below-average rainfall, seeding rate did not appreciably affect grain yield.
• negative
  At high density Roughrider had 27% fewer kernels per head without nitrogen fertilization.

  compared with low plant population densities

cited by 1 paper here

Wheat and Barley Responses to Rates of Seeding and Fertilizer in Southwestern Saskatchewan · 1982

• positive
  Wheat on fallow required a seeding rate of 60 kg/ha for maximum yields.
• no effect
  Seeding rate of 20 kg/ha on stubble caused no significant yield reduction in wheat.

cited by 2 papers here

Optimum Spacing of Preplant Bands of N and P Fertilizer for Winter Wheat¹ · 1984

• positive
  The closer band spacing of 38 and 25 cm could result in higher grain yields under optimum production conditions.
• no effect
  P band spacing did not change final grain yield of winter wheat.

EFFECT OF SEED AND FERTILIZER RATE ON YIELD OF SPRING WHEAT GROWN ON FALLOW AND STUBBLE · 1987

• positive
  Maximum wheat yield usually occurred with a 124 kg P ha −1 seed rate, as stated.
• positive
  Seed rates of at least 90 kg ha −1 gave the highest spring wheat yields.

cites 2 papers herecited by 1 paper here

Yield Responses of 16 Winter Wheat Cultivars to Row Spacing and Seeding Rate¹ · 1987

• positive
  Narrow rows averaged 6.8 percent more grain than standard spacing in 1983.

  compared with standard spacing

• positive
  Narrow rows averaged 5.3 percent more grain than standard spacing in 1984.

  compared with standard spacing

• positive
  Higher seeding rate yielded 7.1 percent more grain in low-tillering 1984.
• positive
  Narrow rows plus high seeding yielded 9.1 percent more grain than wide rows plus low seeding.

  compared with wide row spacing and low seeding rate

cited by 18 papers here

Seed rate and row spacing studies on winter wheat in northeast Saskatchewan · 1989

• positive
  The 140 kg/ha seed rate and 9 cm spacing combination raised yield by 19 % over 70 kg/ha and 18 cm spacing.

  compared with 70 kg/ha seed rate and 18 cm row spacing

Effect of Wheat (Triticum aestivum) Row Spacing, Seeding Rate, and Cultivar on Yield Loss from Cheat (Bromus secalinus) · 1990

• positive
  Increasing seeding rate from 265 to 530 seeds m -2 increased wheat yield.

cites 1 paper herecited by 3 papers here

Effects of seed rate and row spacing on yields of wheat and canola · 1990

• positive
  Wheat yield rose with seeding rate under favorable moisture.

Water Use by No‐Till Winter Wheat Influence of Seed Rate and Row Spacing · 1991

• positive
  The high-rate narrow-row combination raised grain yield 21%.

  compared with 35 kg ha −1 seeding rate and 36 cm row spacing

cited by 11 papers here

Seed Rate and Row Spacing of No‐Till Winter Wheat · 1991

• positive
  Grain yield increased as row spacing decreased.

cited by 16 papers here

Seeding Date, Seeding Rate, and Row Spacing Affect Wheat (Triticum aestivum) and Cheat (Bromus secalinus) · 1991

• positive
  Raising seeding rate from 67 to 101 kg ha –1 increased winter wheat yield across cheat infestation levels at two locations.

cites 2 papers herecited by 4 papers here

A comparison of broadcast and drill methods for no-till seeding winter wheat · 1992

• positive
  Raising broadcast seed rate from 67 to 202 kg ha −1 increased grain yield by 91%.
• positive
  Raising broadcast seed rate from 67 to 202 kg ha −1 increased spike density by 66%.

cites 1 paper herecited by 1 paper here

Planting dates and seeding rates for soft white winter wheat in eastern Ontario · 1992

• positive
  At Ottawa, 160 kg ha −1 seeding significantly increased yield relative to 130 kg ha −1.

  compared with 130 kg ha −1

cites 1 paper herecited by 4 papers here

Management for Large Seed Size in Spring Wheat · 1992

• positive
  Katepwa seed yield was optimal at 18 seeds per square foot.

The Influence of Different Nitrogen Levels and Seeding Rates on the Dry Matter Production and Nitrogen Uptake of Spelt (Triticum spelta L.) and Wheat (Triticum aestivum L.) under Field Conditions · 1993

• positive
  Reduced seeding rate increased grain weight by 33 % compared with normal seeding rate.

  compared with normal seeding rate

• positive
  Reduced seeding rate increased grain number per ear by 31 % compared with normal seeding rate.

  compared with normal seeding rate

Effect of Cultural Manipulations and Weed Control Methods on Crop-Weed Competition in Wheat (Triticum aestivum L.) · 1993

• positive
  Bidirectional row orientation and 15 cm row spacing at 120 kg/ha seed rate increased wheat grain yield.
• positive
  The interaction of bidirectional row orientation, 15 or 20 cm row spacing and isoproturon numerically maximised wheat grain yield.

Management Effects on Yield and Yield Components of Late‐Planted Wheat · 1994

• positive
  Higher seeding rate appeared to increase yield of late planted wheat.
• no effect
  Seeding rate did not affect yield for early planted wheat.

cited by 5 papers here

Optimizing Seeding Rate for Late‐Seeded Winter Wheat in the Middle Atlantic Region · 1994

• positive
  A higher seeding rate increased spike and plant density.
• positive
  Raising seeding rate from 38 to 57 seeds/sq ft reduced yield loss from the last planting by 40% in regression analysis.
• positive
  At Clarksville, increasing seeding from 38 to 57 seeds/sq ft reduced delay-associated yield loss by 49%.

cites 1 paper herecited by 2 papers here

INFLUENCE OF PLAN'YPOPULATION ON PLANT HEIGHT. GRAIN YIELD AND ITS COMPONENTS IN WHEAT · 1994

• positive
  Plants at 15 cm interplant and 23 cm interrow spacing produced more grains per spike, grain weight and grain yield.

ROW SPACING, N AND MULCHING ON YIELD, RUE AND NUTRIENT UPTAKE OF RAINFED WHEAT · 1994

• positive
  In drought, 25 cm spacing gave higher wheat yield.
• no effect
  In normal rainfall, wheat grain yield at 20 cm spacing was at par with 25 cm.

  compared with 25 cm row spacingNo difference from an alternative treatment

Varying Winter Wheat Seeding Rates among Landscape Positions · 1995

• positive
  Based on expected costs, doubling the seeding rate would increase net return on the N-backslope by $2.35/acre.
• positive
  Increasing seeding rates increased spike density on all landscape positions.

cites 1 paper here

Spring Wheat (Triticum aestivum) Management Can Substitute for Diclofop for Foxtail (Setariaspp.) Control · 1996

• positive
  Without diclofop, doubled seeding rate at early or middle dates equalled or exceeded normal rate with diclofop.

  compared with 1× seeding rate with diclofop

Row spacing and seeding rate effects in wheat and barley under a conventional fallow management system · 1996

• positive
  Increased seeding rates improved wheat grain yield by 14%.
• no effect
  Row spacing had no effect on spring wheat yield under conventional-tillage fallow management.

cited by 5 papers here

Seeding depth, rate and row spacing for winter wheat grown on stubble and chemical fallow in the semiarid prairies · 1996

• positive
  Plant establishment and grain yield were superior at the 60 kg ha −1 seeding rate than at 30 kg ha −1 in the wet year (1986).

  compared with 30 kg ha −1 rate

• no effect
  Row spacing had little effect on winter wheat grain yield.

cited by 8 papers here

INCREASING PLANT DENSITY IN SPRING WHEAT TO AMELIORATE THE EFFECTS OF SALINITY ON GRAIN YIELD · 1997

• positive
  Grain yield increased significantly with rising seeding density at p = 0.10.

Breaking Uniculm Growth Habit of Spring Cereals at High Latitudes by Crop Management. II. Tillering, Grain yield and Yield Components · 1997

• positive
  In wheat cultivar Heta, head-bearing tillers contributed more to grain yield under low seeding rate and CCC.

  compared with controls

cited by 2 papers here

Effect of Weed Management Practices, Row Spacings and Fertilizer Levels on Growth and Yield of Wheat · 1997

• positive
  Full NPK, narrow spacing and metoxuron gave the highest benefit cost ratio.
• positive
  Full NPK, narrow spacing and metoxuron gave highest grain yield of 3757 kg/ha.

Effect of the Interaction between Cultural Condition and Genotype on Spike Morphogenesis in Spring Wheat · 1998

• positive
  Spikelet number per spike and spike length at maturity were highest at low seeding densities and high fertilization levels in all wheat groups.

Influence of Crop Density and Weeding Frequency on Crop Growth and Grain Yield in Wheat · 1998

• positive
  The 175 kg/ha rate gave the lowest wheat grain yield of 3.11 t/ha and minimum yield components.
• positive
  A 125 kg/ha seeding rate gave the highest wheat grain yield, panicle length and filled grains per panicle.

Effect of proximity factors on competition between winter wheat (Triticum aestivum) and Italian ryegrass (Lolium multiflorum) · 1998

• positive
  Winter wheat yield loss from ryegrass was smaller at RE 16 than at RE 1 or RE 4.

  compared with RE 1 (square planting) or 4 (close row spacing)

cites 1 paper herecited by 2 papers here

Influence of Crop Density and Weeding Frequency onCrop Growth and Grain Yield in Wheat · 1998

• positive
  A seed rate of 125 kg/ha gave the highest wheat grain yield per hectare, panicle length, and filled grains per panicle.
• negative
  The 175 kg/ha seed rate gave the lowest grain yield, 3.11 t/ha, and minimum effective tillers, panicle length and filled grains per panicle.

An Integrated Weed Management Approach to Managing Foxtail Barley (Hordeum jubatum) in Conservation Tillage Systems · 1999

• positive
  Raising wheat seeding rate increased wheat yield in three of four years.

cited by 3 papers here

Row Spacing and Seeding Rate Studies in No‐Till Winter Wheat for the Northern Great Plains · 1999

• positive
  Eight- and twelve-inch spacing yielded equivalently or 8% more than four-inch spacing.

  compared with 4 in. row spacing

cites 3 papers herecited by 6 papers here

Studies on seed rates and row spacing on rainfed wheat (Triticum aestivum L.) in vindhya plateau of Madhya Pradesh · 2000

• positive
  Growth and yield attributes of rainfed wheat were numerically superior at 22.5 cm row spacing.
• no effect
  Grain and straw yield of rainfed wheat did not differ significantly between 22.5 and 30.0 cm row spacing.

The effect of seeding date, seeding rate and N fertilization on winter wheat yield and yield components in eastern Newfoundland · 2000

• positive
  In variable-winter-kill years, increasing seeding rate up to 450 seeds m −2 raised grain yield.
• positive
  In variable-winter-kill years, increasing seeding rate up to 450 seeds m −2 raised spikes per square metre at harvest.

cited by 2 papers here

The physiological response of winter wheat to reductions in plant density · 2000

• positive
  Grain yield was maintained despite large reductions in wheat plant density.
• positive
  Low density increased grain number per ear from 32 to 48.
• no effect
  Main stem leaf number, phyllochron, and tiller production rate were not significantly affected by plant density.

cites 2 papers herecited by 16 papers here

Grain yield and yield components of winter wheat grown in two management systems. · 2000

• positive
  Higher sowing rate increased ear number per square meter and grain yield in both systems.
• negative
  Higher sowing rate lowered 1000-kernel weight in both systems.

cited by 1 paper here

Changes in Some Agronomic Traits of Winter Wheat Cultivars as Influenced by Management Systems · 2000

• positive
  All cultivars increased ear number per square meter and grain yield at the high sowing rate in both management systems.
• negative
  Thousand grain weight decreased at the high sowing rate for most cultivars in both management systems.

cites 1 paper here

EFFECT OF SEEDING RATE AND NITROGEN LEVEL ON THE PRODUCTIVITY OF MEXIPAK 65 WHEAT CULTIVAR · 2000

• positive
  In the second season, the lowest seeding rate of 90 kg/ha gave the heaviest spike grain weight.
• positive
  In the second season, the lowest seeding rate of 90 kg/ha gave the highest number of grains per spike.
• no effect
  Varying seeding rate did not affect the grain yield of wheat in both seasons.

RESPONSE OF WHEAT (Triticum aestivum) TO SEED RATES AND STIGMASTEROL · 2000

• positive
  A 70kg/fed seed rate with 200 ppm stigmasterol gave maximum wheat growth and yield.
• no effect
  Seed rate and stigmasterol had no significant effect on wheat yield components.

Response of Winter Wheat to Simulated Stand Reduction · 2001

• positive
  Spikes per m2 and kernels per m2 of winter wheat increased with increasing spring plant density.
• positive
  Grain yield of winter wheat increased with increasing spring plant density.
• negative
  Kernel weight and kernels per spike of winter wheat decreased with increasing spring plant density.

cites 5 papers herecited by 2 papers here

Winter Wheat Cultivar Performance as Affected by Production Systems in Croatia · 2001

• positive
  Higher seeding rate maximized grain yields in both production systems, except for one growing season in the IPS.

cites 2 papers herecited by 2 papers here

Weed management in late-sown zero-till wheat (Triticum aestivum) with varying seed rate · 2001

• positive
  A seed rate of 120 kg/ha gave significantly higher wheat grain yield than 100 and 140 kg/ha.

  compared with seed rate of 100 and 140 kg/ha

Influence of row orientation, row spacing and weed-control methods on physiological performance of irrigated wheat (Triticum aestivum) · 2001

• positive
  Closer 15 cm rows increased wheat yield and yield attributes relative to 20 cm rows.

  compared with wider row spacing of 20 cm

cited by 3 papers here

Effect of management practices on growth, yield and quality of late sown wheat (Triticum aestivum) · 2001

• positive
  Soaked-seed sowing with a 25% higher seed rate on 15 December followed by irrigation gave higher grain yield than dry seeding with the higher seed rate.

  compared with dry seeding with 25% higher seed rate on 15 December fol- lowed by irrigation

• positive
  Soaked-seed sowing with a 25% higher seed rate gave higher biological yield than the dry-seeded comparator.

  compared with dry seeding with 25% higher seed rate on 15 December fol- lowed by irrigation

Effect of seed rate and sowing depth on growth, yield attributes and yield of irrigated wheat (Triticum aestivum) in Madhya Pradesh · 2001

• positive
  A seed rate of 80 kg/ha with 2 cm sowing depth gave the maximum leaf area index, yield attributes and yield of irrigated wheat in Madhya Pradesh.

cited by 1 paper here

Integrated Management of Phalaris minor in Wheat · 2001

• positive
  October 25 sowing at 15 cm without isoproturon yielded more than 22.5 cm spacing with isoproturon.

  compared with normal spacing of 22.5 cm in combination with isoproturon (0.94 kg ha−1) application

• positive
  15 cm spacing increased grain yield 13.2% versus 22.5 cm.

  compared with normal spacing (22.5 cm)

Maximization of productivity for soybean (Glycine max)-wheat (Triticum aestivum) system in Kymore Plateau and Satpura Hill Zone of Madhya Pradesh · 2001

• positive
  A 125% wheat seed rate increased net monetary returns and benefit-cost ratio.

Response of late sown wheat (Triticum aestivum) to row spacing cum population densities and levels of nitrogen and irrigation in north western Rajasthan · 2001

• positive
  Narrow row spacing gave higher benefit : cost ratio, 2.2 and 2.0.
• positive
  Narrow row spacing gave higher net return, Rs 11,729 and 10156 per ha.
• positive
  Narrow 15 cm row spacing with 205 kg seed/ha gave significantly higher grain yield than 22 cm spacing with 140 kg seed/ha.

  compared with normally used spacing of 22 cm with 140 kg seedha

Management strategy for increasing the productivity of rice (Oryza sativa) - wheat (Triticum aestivum) system under late-sown conditions · 2001

• positive
  A 25% increase in plant density increased productivity of late-sown wheat by 6% at recommended fertilizer.

Techno-economic Evaluation of Bed Seeding Technique in Wheat Crop · 2002

• positive
  Yield and yield attributes were higher with the specified 45 cm bed arrangement.

Responses of wheat grain yield and quality to seed rate · 2002

• positive
  PAR interception, above-ground biomass and grain yield of wheat generally followed similar asymptotic increases as seed rate increased.
• no effect
  When nitrogen fertilizer was withheld, wheat biomass and grain yields did not respond to increases in seed rate.

cited by 8 papers here

Spring wheat seed size and seeding rate affect wild oat demographics · 2002

• positive
  Raising wheat seeding rate from 175 to 280 plants m−2 reduced wild oat panicles by 10%.

  compared with 175

• positive
  Large wheat seed combined with increased seeding rate reduced wild oat biomass and seed production by 45%.
• positive
  Raising wheat seeding rate from 175 to 280 plants m−2 reduced wild oat biomass and seed production by 20%.

  compared with 175

• positive
  Larger wheat seed and higher seeding rate significantly reduced wild oat biomass and seed production.

cited by 2 papers here

Seeding and Nitrogen Rates Required to Optimize Winter Wheat Yields following Grain Sorghum and Soybean · 2003

• positive
  Wheat grain yield increased with seeding rate in all three years.

cites 2 papers herecited by 5 papers here

Tillage and Seeding Rate Effects on Wheat Cultivars: I. Grain Production · 2003

• positive
  Grain yield showed a positive quadratic response as seeding rate increased.

cites 2 papers herecited by 11 papers here

Integrated Effect of Planting Methods and Herbicides on Phalaris minor and Wheat · 2003

• positive
  Flat sowing at 15 cm increased wheat grain yield by 12% relative to bed and 22.5 cm flat sowing.

  compared with bed sowing technique as well as flat sowing at 22.5 cm row spacing

Effect of Seed Rate, Row Spacing and Herbicides on Uptake of Nutrients By Phalaris Minor and Wheat · 2003

• positive
  A 150 kg ha−1 seed rate increased wheat grain yield 12.3% over 100 kg ha−1.

  compared with recommended seed rate

Response of late-sown wheat (Tritkum aestivum) to row spacing-cum-population densities and levels of nitrogen and irrigation in north-western Rajasthan · 2003

• positive
  Narrow rows raised grain yield in both years versus standard spacing.

  compared with normally used spacing of 22 cm with 140 kg seed/ha

Seeding and Nitrogen Rates Required to Optimize Winter Wheat Yields following Grain Sorghum and Soybean · 2003

• positive
  Wheat yield rose with seeding rate across all three years.

cited by 2 papers here

Effects of Ridge-Mulching with Plastic Sheets for Rainwater-Harvesting Cultivation on WUE and Yield of Winter Wheat · 2004

• positive
  At low density, high N increased biological yield by 29.8% over low N.

  compared with low N rate with low plant density

• positive
  At low density, high N increased grain yield by 29.1% over low N.

  compared with low N rate with low plant density

The impact of agronomic manipulation of early vigour in wheat on growth and yield in South Australia · 2004

• positive
  Increasing the sowing rate significantly increased early dry matter production and leaf area in wheat, with the largest responses at higher sowing rate.
• no effect
  Increasing sowing rate and N fertiliser had little effect on wheat yield.

cites 1 paper here

Spring wheat seed size and seeding rate effects on yield loss due to wild oat (Avena fatua) interference · 2004

• positive
  Higher seeding rates improved wheat yield by 12%.
• positive
  Using both larger seeds and higher seeding rates improved wheat grain yield by 30%.

cited by 4 papers here

Efficacy of Clodinafop Against Isoproturon-Resistant Phalaris minor in Relation to Wheat Cultivars and Spacing · 2004

• positive
  PBW-343 at 15 cm and clodinafop 45 g ha−1 yielded significantly more than at 22.5 cm and 60 g ha−1.

  compared with nomlal spacing of 22.5 cm alongwith higher dose of clodinafop 60 g ha−1

• positive
  15 cm spacing increased mean yield by 15.7% relative to 22.5 cm spacing.

  compared with spacing of 22.5 cm

Non-chemical weed control in an organic wheat crop. · 2004

• positive
  Higher seeding rate significantly raised wheat yield on both soils.

Effects of plastic sheet-mulching on ridge for rainwater-harvesting cultivation on WUE and yield of winter wheat · 2004

• positive
  High nitrogen at low density raised grain yield by 29.1% versus low nitrogen at low density.

  compared with low N rate with low plant density

Influence of density and topdressing time of nitrogen fertilizer on carbohydrate metabolism in leaf and grain of large-ear cultivar of high-yielding winter wheat · 2004

• positive
  Increasing plant density improved ear number per hectare.

Effect of Row Spacing on Grain Yield and Quality of Super-high Yielding Wheat · 2004

• positive
  At the stated density, grain yield was highest at 16.67 cm spacing.
• positive
  Zhoumai 16 and Aizao 8 reached biggest ear number at 16.7 cm.
• positive
  Ear number was highest at 16.67 cm spacing overall.

Combining agronomic practices and herbicides improves weed management in wheat–canola rotations within zero-tillage production systems · 2005

• positive
  Higher seed rates sometimes increased crop yield and never lowered it.

cites 1 paper here

Effect of Seeding Rate and Seed Treatment Fungicides on Agronomic Performance, Fusarium Head Blight Symptoms, and DON Accumulation in Two Winter Wheats · 2005

• positive
  Increased seeding rate increased the number of emerged plants, tillers and spikes per m2.
• positive
  Increased seeding rate increased wheat yield.

cites 2 papers herecited by 2 papers here

Quality versus quantity: spring wheat seed size and seeding rate effects on Avena fatua interference, economic returns and economic thresholds · 2005

• positive
  Higher seeding rate decreased spring wheat yield loss.

cited by 1 paper here

Effects of density and spatial pattern of winter wheat on suppression of different weed species · 2005

• positive
  Increasing sowing density increased grain yield of winter wheat.
• no effect
  With herbicide weed control, increasing sowing density had no influence on winter wheat grain yield.

cites 4 papers herecited by 3 papers here

Effects of Row Spacing on Yield of Different Types Wheat · 2005

• positive
  At a common planting density, grain yield was highest at 16.67 cm row spacing.
• positive
  At a common planting density, ear number was highest at 16.67 cm row spacing.

EVALUATION THE EFFICIENCY OF SEEDING RATE AND INOCULATION WITH SOME DIAZOTRPHES ON GROWTH, YIELD AND PROTEIN CONTENT OF WHEAT CROP (Triticum aestivum L.) GROWN IN SANDY SOILS UNDER GRADED LEVELS OF N·FERTILIZER · 2005

• positive
  A seeding rate of 60 kg seed/fed. significantly increased the number of tillers per plant, spike length and number of grains per spike of wheat.

Phenological Changes of Wheat Cultivars with Plant Type and Plant Spacing · 2005

• positive
  Relative plant growth, tiller rate and leaf size increased in the erect and middle types at lower plant density.

Growth and Yield Response of Facultative Wheat to Winter Sowing, Freezing Sowing and Spring Sowing at Different Seeding Rates · 2006

• positive
  Increasing seed rate to 525 seeds per square metre increased grain yield.
• positive
  Increasing seed rate to 525 seeds per square metre increased spikes per square metre.
• positive
  Yield gains from higher seed rates were greater under freezing and spring sowing.

cites 5 papers herecited by 18 papers here

Impact of crop and weed densities on competition between wheat and Silybum marianum Gaertn. · 2006

• positive
  highest grain yield was obtained with wheat seeding rate of 120 kg ha -1

cited by 1 paper here

Impact of Dryland Technology on Crop Yield in Nara-Dada Watershed of Submontanous Tracts of Punjab · 2006

• positive
  Wider row spacing increased yield of wheat and lentil compared with closer spacing.

  compared with closer spacing

Effect of Planting Density and Pattern on Yield and Yield Components of Different High-gluten Winter Wheat · 2006

• positive
  A row spacing of 10 cm gave the maximum yield of winter wheat among the planting patterns tested.

  compared with row spacings of 10 cm-20 cm,20 cm and 10 cm-10 cm-20 cm

EFFECT OF SEEDING RATES AND COMPETITIVENESS OF GRASSY AND BROAD LEAF WEEDS ON YIELD AND YIELD COMPONENTS OF WHEAT ( TRITICUM AESTIVUML) · 2006

• positive
  A wheat seeding rate of 100 kg/fed increased wheat grain yield by 31.3% and 7.9% over two seasons compared with 70 kg/fed.

  compared with seeding rate of 70 kg/fed

Effect of fertilizer levels on yield and nutrient uptake of wheat intersown with poplar · 2006

• positive
  Wheat grain and straw yield were significantly higher with 50 per cent of the recommended dose under 5 m x 4 m poplar spacing in both years, and with 100 and 75 per cent in 10 m x 2.5 m spacing and sole wheat in 1999-2000 and 2000-01 respectively.

Sowing method and sowing rate effects on wheat and annual ryegrass competition. · 2006

• positive
  Higher wheat sowing rates suppressed annual ryegrass head number by 6 to 54%.
• positive
  Higher sowing rates increased wheat grain yield by 9 to 32%.

Cultivar and Seeding Rate Effects on the Competitive Ability of Spring Cereals Grown under Organic Production in Northern Canada · 2007

• positive
  Doubling seeding rate increased grain yield.

cited by 4 papers here

Efficacy of high seeding rates to increase grain yield of winter wheat and winter triticale in southern Alberta · 2007

• positive
  Late-seeded winter wheat and triticale increased grain yield by 5 kg per kg increase in seeding rate.
• negative
  High seeding rates did not fully compensate for yield losses caused by late seeding.

cites 4 papers herecited by 1 paper here

Effect of the Different Row Spacing on Wheat Yield and its Constructed Component · 2007

• positive
  Narrow rows increased wheat yield.
• positive
  Narrow rows increased wheat ear number.

EFFECT OF NITROGEN, PHOSPHORUS AND SEEDING RATES ON WHEAT PRODUCTION AND WEED CONTROL IN SIWA OASIS · 2007

• positive
  Higher phosphorus and nitrogen fertilization and seeding rates significantly increased wheat growth and yield components.
• negative
  Increasing seeding rates significantly reduced tillers per plant.

Organic winter wheat: optimising planting. · 2008

• positive
  Narrow drill rows with high seed rates produced the highest winter wheat yields.

Tiller Contribution to Spring Wheat Yield under Varying Seeding and Nitrogen Management · 2008

• positive
  Increased nitrogen level and seeding rate increased spike density.
• positive
  Increasing seeding rate increased the main spike proportion of yield.
• positive
  The lowest seeding rate and nitrogen level increased tiller density.

cites 1 paper herecited by 1 paper here

Spring wheat yield response to variable seeding rates in organic farming systems at different fertility regimes · 2008

• positive
  Wheat yield was highest at the 2 × seeding rate in 2003.
• positive
  In 2004, 1.25 ×, 1.5 × and 2 × seeding rates produced greater yield than the 1 × rate.

  compared with 1 × rate

cites 4 papers herecited by 3 papers here

EFFECTS OF ROW SPACING IN WINTER WHEAT ON CANOPY STRUCTURE AND MICROCLIMATE IN LATER GROWTH STAGE · 2008

• positive
  Reducing row spacing could increase wheat yield.

cited by 1 paper here

Effects of Collocation of Spacing Form,Fertilizer and Density on Yield and Quality of Spring Wheat · 2008

• positive
  Yield at 15 cm spacing exceeded corresponding treatments at 30 cm.

  compared with spacing form of 30 cm

Impacts of testing environments and crop density on winter wheat kernel weight · 2008

• positive
  Lower sowing rate produced higher thousand kernel weight at every location.

  compared with higher sowing rate

Effect of planting density on grain yield,physiological traits of winter wheat grown under the oasis conditions of Northwest China · 2008

• positive
  The highest grain yield of winter wheat (8650 kg hm2) was obtained at a planting density of 390 plants per m2.

RESPONSE OF YIELD AND YIELD ATTRIBUTES OF SOME BREAD WHEAT VARIETIES TO IRRIGATION LEVELS AND SEEDING RATE UNDER OLD LAND CONDITIONS · 2008

• positive
  Increasing seeding rate significantly increased grain and straw yield.

cited by 1 paper here

IMPACT OF DITCHER PERFORMANCE ON WHEAT RESPONSE TO APPLICATION OF SOME PLANT RESIDUES USED AS ORGANIC FERTILIZERS · 2008

• positive
  Corn stalk placement at 3.00 m spacing and 0.60 m depth gave higher wheat grain yield of 3.79 ton/fed.

Tiller Contribution to Spring Wheat Yield under Varying Seeding and Nitrogen Management · 2008

• positive
  Higher seeding rate significantly increased wheat spikes per square metre.

cited by 1 paper here

Effects of testing environments and crop density on winter wheat yield · 2008

• positive
  Higher sowing rate increased yield at every location.

  compared with lower sowing rate

Performance of wheat cultivars sown at different seeding rates under drought-stress conditions · 2009

• positive
  At 80 kg ha−1, wheat had the maximum spike density of 130 spikes m−2.
• positive
  At 80 kg ha−1, wheat had the maximum 43 grains per spike.
• positive
  At 80 kg ha−1, wheat had maximum grain yield of 2285 kg ha−1.

cites 4 papers herecited by 1 paper here

Study of Integrate Methods Chemical and Cultural Control of Weeds to Wheat (Triticum aestivum L.) · 2009

• positive
  The 30 cm row spacing had the highest number of grains per spike.

cited by 1 paper here

Effects of Sowing Method and Seed Rate on Growth and Yield of Wheat (Triticum aestivum) · 2009

• positive
  Drilling at 150 kg/ha significantly increased wheat yield.

cited by 6 papers here

ROLE OF PLANT GROWTH PROMOTING RHIZOBACTERIA APPLIED IN COMBINATION WITH COMPOST AND MINERAL FERTILIZERS TO IMPROVE GROWTH AND YIELD OF WHEAT (TRITICUM AESTIVUM L.) · 2009

• positive
  Planting space had a significant effect, and 25 cm plant-to-plant spacing gave the maximum growth and yield of wheat.

Effect of split doses of nitrogen and seed rate on protein content, protein fractions and yield of wheat. · 2009

• positive
  Grain yield of wheat increased with increasing seed rate.

Effects of row and plant spacing on winter wheat flag leaf sucrose metabolism and grain yield · 2009

• positive
  Ear number, grain number per spike and 1000-grain weight increased with increasing row spacing.
• negative
  Ear number, grain number per spike and 1000-grain weight decreased with decreasing plant spacing.

Actual challenges: Developing a low cost no-till wheat seeding technologies for heavy residues - the happy seeder · 2009

• positive
  A row spacing of 30 cm yielded 10% more wheat than the other two row spacings.

  compared with other two row spacings

PRODUCTIVITY OF SOME WHEAT CULTIVARS AS AFFECTED BY SEEDING RATE AND NITROGEN SOURCES · 2009

• positive
  Increasing planting density significantly increased grain, straw and total yields.

  compared with 300

• positive
  Increasing planting density from 300 to 400 and 500 grains per m2 significantly increased plant height and number of spikes per m2.

  compared with 300

• negative
  Increasing planting density significantly decreased thousand grain weight and grain weight per spike.

  compared with 300

• negative
  Increasing planting density significantly decreased spike length, number of spikelets per spike and number of grains per spike.

  compared with 300

EFFECT OF SEEDING RATE AND NITROGEN FERTILIZATION LEVEL ON BREAD WHEAT UNDER RAINFED CONDITIONS OF NORTH SINAI · 2009

• positive
  Wheat harvest and crop indices increased with seeding rate was increased from 40 to 80kg/fad..
• positive
  Wheat grain yield/fad, as well as the straw and total yields/fad. increased with seeding rate up to 80kg/fad..
• no effect
  Wheat number of spikes/m2 not significantly affected with seeding rate.
• no effect
  Wheat grain weight/spike, number of grains/spike and 1000-grain weight not significantly affected with varying the seeding rate.

SEEDING AND NITROGEN RATES REQUIRED TO MAXIMIZE YIELD OF GEMMEIZA 9 WHEAT CULTIVAR IN EASTERN DELTA REGION · 2009

• positive
  Grain and biological yields per fad significantly increased when seeding rate rose from 45 to 55 or 65 kg/fad.
• positive
  Number of spikes per m2 and straw yield per fad responded to increased seeding rate up to 75 kg/fad.
• negative
  Increasing seeding rate from 45 to 75 kg/fad significantly decreased number of grains per spike and 1000-grain weight.
• no effect
  Differences in grain weight per spike and harvest and crop indices due to seeding rates were not significant.

cites 1 paper here

EFFECT OF PRECEDING CROPS, SEEDING RATE, BIO AND MINERAL NITROGEN FERTILZER ON WHEAT PRODUCTIVITY. · 2009

• positive
  spike length (cm) increased with seed rate.
• positive
  number of grains / spike increased with seed rate.
• positive
  1000- grain weight (g) increased with seed rate.
• positive
  number of spikes / m2 increased with seed rate.
• positive
  grain yield/fed increased with seed rate.
• no effect
  straw yield /fed did not vary significantly with seed rate.
• no effect
  grain weight /spike did not vary significantly with seed rate.
• no effect
  number of spikelets/spike did not vary significantly with seed rate.

Effect of fungicidal seed treatments on the emergence, development, and grain yield of Fusarium graminearum-infected wheat and barley seed under field conditions · 2010

• positive
  Adjusting seeding rate to target 200 plants m -2 prevented grain yield reductions except in the most infected seedlot.

cites 1 paper herecited by 1 paper here

Does root pruning increase yield and water-use efficiency of winter wheat? · 2010

• positive
  Increasing the seeding density increased number of spikes.
• positive
  Higher density increased grain yield with adequate water.
• negative
  Increasing the seeding density decreased grain yield per spike.
• no effect
  Increasing the seeding density no effect thousand-kernel weight.
• negative
  Higher density reduced grain yield with limited water.

cites 3 papers here

Effect of seed rates on the agro-physiological traits of wheat · 2010

• positive
  Daman-98 at 200 kg ha -1 seed rate produced the maximum grain yield, 6.50 t ha -1.
• positive
  Punjab-96 reached maximum grain yield of 5.41 t ha -1 at 150 kg ha -1 seed rate.
• positive
  Daman-98, Inqilab91 and Bakhtawar-92 reached maximum grain yield at higher seed rate.
• positive
  At 200 kg ha -1 seed rate, tillers per area, fresh weight and crop growth rate were high.

cites 1 paper herecited by 6 papers here

Agro-techniques for increasing productivity of wheat (Triticum aestivum) under poplar (Populus deltoides) plantation. · 2010

• positive
  A 25% additional seed rate over recommended significantly increased wheat grain yield under poplar by 6%.

  compared with recommended

Effects of seeding rate and time of nitrogen fertilizer application on winter wheat in south coastal British Columbia · 2010

• positive
  Thousand grain weights were maximized at the lower seeding rate with added N in both years.
• positive
  Dry matter yields at GS 31 in 1988-89 and GS 37 in 1989-90 increased linearly with increasing seeding rate.
• negative
  In 1989-90, grain yield and grains m⁻² significantly decreased with increasing seeding rate.
• negative
  With added N, dry matter yields significantly decreased with increasing seeding rate at GS 85 and GS 92 in 1989-90.
• no effect
  Grain yield and yield components were not significantly influenced by seeding rate in 1988-89; in 1989-90, number of heads m⁻² and number of grains head⁻¹ were not significantly affected.

Effects of row spacing patterns on grain filling characteristics and starch and protein accumulation in grains of high-yielding winter wheat. · 2010

• positive
  Equal spacing improved filling rate, grain weight and yield for Yanzhan 4110.
• positive
  Wide narrow spacing improved filling rate, grain weight and yield for three cultivars.

Effects of plant density on nitrogen metabolism and nitrogen use efficiency of late sown winter wheat in Yellow and Huai Valley in China. · 2010

• positive
  Under late sowing, medium and high plant densities gave higher grain yield and nitrogen use efficiency than low density.

  compared with low density

Effect of planting density and N rate on the relationship of individual winter wheat and its plant population in furrow and ridge film mulching planting system · 2010

• positive
  Increasing density increased basic seedlings, prewinter tillers, total tillers and population size.

Productivity and economics of wheat (Triticum Aestivum) as influenced by weed management and seed rate · 2011

• positive
  A 125 kg/ha seed rate raised grain yield relative to 75 kg/ha.

  compared with 75

• positive
  A 125 kg/ha seed rate raised grain yield relative to 150 kg/ha.

  compared with 150 kg seeds/ha

cited by 1 paper here

Effects of missing-row sowing supplemented with row spacing and nitrogen on weed competition and growth and yield of wheat · 2011

• positive
  A 22.5-cm row spacing gave higher wheat yield than 18.5-cm spacing.

  compared with 18.5-cm row spacing

cites 4 papers herecited by 2 papers here

Integrating Spring Wheat Sowing Density with Variety Selection to Manage Wheat Stem Sawfly · 2011

• positive
  For all cultivars, grain yield was optimized at the higher seeding rates of 350 and 450 seeds m-2.

cites 1 paper herecited by 2 papers here

DUAL PURPOSE WHEAT FOR FORAGE AND GRAIN YIELD IN RESPONSE TO CUTTING, SEED RATE AND NITROGEN · 2011

• positive
  Grain yield was higher with a 100 kg ha -1 seed rate.
• positive
  The 150 kg ha -1 seed rate produced the tallest plants, maximum forage dry matter and biological yield, and delayed heading.

cites 4 papers herecited by 4 papers here

Investigation Of Plant Density And Weed Competition In Different Cultivars Of Wheat In Khoramabad Region · 2011

• positive
  Wheat density of 260 kg/ha increased seed yield in Bahar cultivar.

Technologies of Cultivating a New Wheat Variety——Huaimai 26 of Superior Quality and High Yield · 2011

• positive
  Sowing 1 950 to 2 700 thousand seedlings per hectare gave higher grain yield.

Effects of sowing date and planting density on yield and quality of winter wheat in rained dryland areas of Longnan · 2011

• positive
  Increasing planting density raised wheat spikes and improved yield.

Integrated weed management in wheat · 2011

• positive
  Higher wheat seed rate increased biological yield.

cites 4 papers herecited by 2 papers here

RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS · 2011

• positive
  Wider rows significantly increased wheat height, tiller number and leaf area.

  compared with 12

• positive
  Wider rows significantly increased wheat thousand-grain weight.

  compared with 12

• positive
  Wider rows significantly increased wheat flag leaf area, spike length and grains per spike.

  compared with 12

• negative
  Wider rows decreased wheat spikes per square meter, grain yield and straw yield.

REACTION OF SPRING WHEAT CV. PARABOLA TO DIVERSIFIED SOWING DENSITY · 2011

• positive
  A sowing rate of 650 grains per m2 gave a grain yield of 7.26 t/ha, significantly higher than the yield at 350, 450 and 750 grains per m2.

  compared with 350, 450 and 750 grains per m 2

Yield attributes, yield and economics of wheat (Triticum aestivum) + compact mustard (Brassica juncea) intercropping under 5:1 row proportion in relation to fertility levels and seeding densities of two wheat varieties · 2012

• positive
  Higher wheat seeding rates improved spikes, grain yield, LER, RCC and returns.

Influence of Seeding Rate, Nitrogen Management, and Micronutrient Blend Applications on Pith Expression in Solid‐Stemmed Spring Wheat · 2012

• positive
  Increased planting density optimized wheat yield.
• negative
  A system of low seeding rates and high N gave a lower grain yield response (-9%) in wheat.

cites 2 papers herecited by 1 paper here

Effect of Seeding Rates and Nitrogen Levels on Yield and Yield Components of Wheat (Triticum aestivum L.) · 2012

• positive
  Harvest index showed a significant interaction and its maximum at 150 kg/ha seed with 125 kg/ha nitrogen.
• positive
  Grains per spike, thousand-grain weight and biological yield were maximal at 150 kg/ha seed and minimal at 125kg/ha.

  compared with seeding rate

• positive
  Grains per spike, grain yield and biological yield showed significant interactions and maxima at 150 kg/ha seed with 125 kg/ha nitrogen.
• positive
  Tiller number was maximal at 175 kg/ha seed and minimal at 125kg/ha.

  compared with seeding rate

• positive
  Grain yield and harvest index were maximal at 150 kg/ha seed and minimal at 125kg/ha.

  compared with seeding rate

• positive
  Plant height, spike length and spikelets per spike were maximal at 150 kg/ha seed and minimal at 125kg/ha.

  compared with seeding rate

cites 5 papers herecited by 14 papers here

Competitiveness of Different Densities of Two Wheat Cultivars with Wild Mustard Weed Species (Sinapis arvensis) in Different Densities · 2012

• positive
  Increasing wheat density to 32 plants per square meter increased wheat yield, not significantly.

Performance of bread wheat (Triticum aestivum L.) varieties under different row spacing · 2012

• positive
  Row spacing of 20.0 cm gave significantly higher wheat biological yield (12.65 t ha-1).
• positive
  Harvest index of wheat was maximum under 22.5 cm row spacing (38.80).
• positive
  At 20.0 cm row spacing, wheat gave significantly higher net returns (Rs 53750 ha-1) than 15.0 cm and 17.5 cm spacing.

  compared with 15.0 cm and 17.5 centimetre

• positive
  Row spacing of 20.0 cm gave significantly higher wheat straw yield (7.80 t ha-1).
• positive
  At 20.0 cm row spacing, wheat recorded the highest Net Assimilation Rate, total number of tillers and effective tillers over other row spacings.

  compared with other row spacing

• positive
  Row spacing of 20.0 cm gave significantly higher wheat grain yield (4.85 t ha-1).
• no effect
  At 20.0 cm row spacing, net returns were at par with 22.5 cm row spacing.

  compared with 22.5 centimetre row spacingNo difference from an alternative treatment

cited by 5 papers here

Influence of seeding date and seeding rate on yields of main wheat varieties in Qingpu,Shanghai · 2012

• positive
  Increasing seeding rate appropriately improved yield.

Lodging Resistance of Winter Wheat in Response to Nitrogen and Planting Density and Border Effect under Relay Intercropping Condition · 2012

• positive
  Higher planting density increased the numbers of tillers and effective spikes in the edge, second and central lines of wheat.
• negative
  Higher planting density reduced the biomass and its distribution proportion in spike of wheat.

Implication of Crop Row Orientation and Row Spacing for Controlling Weeds and Increasing Yield in Wheat · 2012

• positive
  The combined treatment increased wheat yield by 21.3% compared with control.

  compared with control

cites 1 paper herecited by 3 papers here

PERFORMANCE STUDY OF GASPARDO MECHANICAL SEEDER IN SOWING WHEAT UNDER SUPPLEMENTRY IRRIGATION · 2012

• positive
  At 100 kg/ha, wheat had significantly more grains per spike than at the other seeding rate.

  compared with other seeding rate

• positive
  At 100 kg/ha, wheat had significantly longer spikes than at the other seeding rate.

  compared with other seeding rate

INFLUENCE OF SOME SEEDING AND NITROGEN RATES ON GRAIN YIELD AND INSECT NATURAL INFESTATION OF SOME WHEAT CULTIVARS · 2012

• positive
  Higher seeding rate caused a significant increase in number of spikes/m2 to 522.1 spikes /m2.
• positive
  Higher seeding rate caused a significant increase in straw yield to 3.5 ton /fed..
• negative
  Higher seeding rate caused a significant decrease in grain yield to 15.5 ardab/fed..
• negative
  Higher seeding rate caused a significant decrease in number of grains/spike to 56.6 grains/spike.
• negative
  Higher seeding rate caused a significant decrease in 1000-grain weight to 42.9 g.

Effects of Organic Manures and Non-chemical Weed Management on Wheat. I. Plant Growth and Grain Yield · 2012

• positive
  High seeding rate increased grain yield by 7.2-8.9% versus no weeding.

  compared with unweeded treatment

EFFECT OF SEEDING RATES ON GROWTH AND YIELD OF WHEAT GENOTYPES (TRITICUM AESTIVUM L.) PLANTED IN TWO LOCATIONS · 2012

• positive
  A 120 kgha seeding rate significantly increased 1000 kernel weight at Hit – zakhikha only.
• positive
  A 120 kgha seeding rate significantly increased tiller number at both locations.
• no effect
  Seeding rate variation was not significantly associated with flag leaf length and grain yield.

Influence of varieties and seeding rates on growth, productivity, disease reaction and economics of wheat in Northwest India · 2013

• positive
  A seed rate of 112.5 kg/ha yielded significantly higher productivity than other seed rates.

  compared with all the other seed rates

cites 9 papers here

Effect of nitrogen application rate and planting denisty on grain yield and quality of wheat cultivar Zhenmai 168 · 2013

• positive
  The planting density giving the highest grain yield was 270 x 10^4 seedlings per ha.

Effects of Sowing Date and Planting Density on Agronomic and Quality Characters of Zhenmai 168 · 2013

• positive
  Appropriate density control increased effective spikes, grains per spike and thousand-grain weight.
• positive
  Appropriate density control increased yield.

EFFECT OF TILLAGE SYSTEMS AND SEED RATES ON GROWTH AND YIELD OF WHEAT ( Triticum aestivum .L) And Growth Of Associated Weeds In Dryland Farming. · 2013

• positive
  Increasing seed rates increased wheat yield.

The Effect of No-Tillage Method and the Amount of Consumed Seed onWheat Yield · 2013

• positive
  The best seeding rate to achieve the highest harvest index was 180 kg/ha.

Variation in radiation use efficiency of wheat (Triticum aestivum L.) as influenced by thermal stress management strategies under late sown conditions · 2013

• positive
  Overnight soaked seed with a 25% higher seed rate and irrigation maximized grain, straw and biological yields.

SPATIAL ARRANGEMENT EFFECTS ON SOIL AND LEAF WATER STATUS OF WINTER WHEAT · 2013

• positive
  An appropriate narrow row spacing is recommended to increase crop yield.

Effect of seeding density on suppression of weeds and performance of wheat (Triticum aestivum) · 2014

• positive
  Wheat at 150 kg/ha seeding density gave 20.8% more grain yield than at the lower 125 kg/ha density.

  compared with over 125

• positive
  Wheat at 150 kg/ha seeding density gave 33% more grain yield than farmer’s practice.

  compared with farmer’s practice

• positive
  Wheat at 150 kg/ha seeding density gave 1.4% more grain yield than at 175 kg/ha.

  compared with 175 kg/ha

cites 1 paper here

Wheat (Triticum aestivumL.) Yield and Soil Properties as Influenced by Different Agri-silviculture Systems of Terai Region, Northern India · 2014

• positive
  The 3.02.5 m 2 spacing gave the highest wheat yield under Poplar, Melia, and Leucaena.

Influence of Different Seed Rates on Yield Contributing Traits in Wheat Varieties · 2014

• positive
  TD-1 had maximum 1000 grain weight at 100 kg ha-1.
• positive
  TD-1 had highest grain weight per spike at 100 kg ha-1.
• positive
  Spike length and grains per spike were maximal at 125 kg ha-1.
• positive
  Sarsabz had maximum biological yield at 125 kg ha-1.
• positive
  TD-1 had maximum harvest index at 150 kg ha-1.

cites 1 paper herecited by 6 papers here

Effect of weed management methods on weeds and wheat (Triticum aestivum L.) yield · 2014

• positive
  Hand weeding with 15 cm row spacing gave the highest wheat grain yield, 2289.4 kg ha-1, compared with isoproturon at 1.50 kg ha-1 with 15 cm row spacing.

  compared with isoproturon at 1.50 kg ha-1 + 15 cm row spacing

cites 1 paper here

Effect of different seeding rates on yield attributes of dual-purpose wheat. · 2014

• positive
  Grain yield increased with increasing seed rate (4741 kg per ha).
• positive
  Number of tillers per m2 increased with increasing seed rate (287).
• positive
  Number of spikes per m2 increased with increasing seed rate (281).
• positive
  Dry forage yield increased with increasing seed rate (832.6 kg per ha).
• positive
  Biological yield increased with increasing seed rate (11690 kg per ha).
• positive
  Fresh forage yield increased with increasing seed rate (3961 kg per ha).

cites 6 papers herecited by 4 papers here

INTEGRATION OF WEED CONTROL METHODS WITH SEED RATES FOR IMPROVING WHEAT YIELD · 2014

• positive
  A 100 kg ha -1 seed rate performed better for grain yield.
• positive
  Biological yield was higher with a 120 kg ha -1 seed rate.

Comperative Performance of Wheat Seed Increasing %Age in Standing Cotton. I-Relay Cropping System of Cotton Based · 2014

• positive
  Wheat sown at 200 kg/ha in standing cotton produced higher grain yield than at 150 kg/ha.

  compared with seeding rate of 150 kg/ha

cites 4 papers here

Performance of wheat (Triticum aestivum L.) under poplar based agroforestry system · 2014

• positive
  Crop growth, yield and yield attributes of wheat increased as tree spacing was widened to 3 m × 2.5 m

Agronomic management for sustainable Pearlmillet-wheat cropping system in sandy loam soils · 2014

• positive
  FYM and a 30 per cent higher seed rate increased grain yield and net returns of pearlmillet and wheat over fertilizer comparison regimes.

  compared with recommended fertilizer application alone or with 10 t FYM ha-1 before sowing of pearlmillet

Effects of Planting Density on the Main Agronomic Traits and Yield of Winter Wheat Hanmai No.13 · 2014

• positive
  Yield was highest at a planting density of 360 × 104 for Hanmai No. 13.

Effects of Sowing Date and Planting Density on Yield and Quality of Wheat Variety Zhenmai 168 · 2014

• positive
  Grain yield peaked at 2700000 seedlings per hectare.

Effects of Sowing Date and Planting Density on Grain-filling Characteristics of Weak-springness Wheat Variety in Huang-Huai Area · 2014

• positive
  Reduced planting density increased grain weight.

Effects of Sowing Date and Sowing Density on Grain Yield and Quality of Winter Wheat · 2014

• positive
  Late sowing dates with higher sowing density increased grain yield indistinctively.

Assessment of SWI techniques with varying nitrogen levels forimproving yield and quality of wheat (Triticum aestivum L.) · 2014

• positive
  20 x 20 cm with 150 kg N/ha gave highest straw yield of 6,765 kg/ha.

EFFECT OF MOLE DRAINS AND COMPOST APPLICATION ON SOME SOIL PROPERTIES, WATER RELATIONS AND ITS PRODUCTIVITY AT NORTH DELTA. · 2014

• positive
  Sandy moles at 2 m with 20 ton compost fed-1 gave the highest wheat grain yield, 3886.7 kg fed-1.
• positive
  Wheat yields and components ranked 2m above 4 m above 6 m spacing and increased with compost, especially high rates.

Effect of seeding rate and variety on Wild Oat (Avena Ludoviciana L.) suppression and yield of spring wheat (Triticum aestivum L.) · 2014

• positive
  Increasing wheat seeding rate increased wheat grain yield and spikes per square meter.
• negative
  Increasing wheat seeding rate decreased grains per spike and thousand-grain weight.

cites 2 papers here

Effect of zero tillage system, seeding rate and row spacing on growth, yield and its components of bread wheat in moderate rainfall area in ninevah province · 2014

• positive
  A row spacing of 14.7 cm significantly increased the number of plants, tillers and spikes per square metre compared with 29.4 cm.

  compared with 29.4cm row spacing

• positive
  A seeding rate of 100 kg/ha significantly increased the number of plants, tillers and spikes per square metre compared with 80 kg/ha.

  compared with 80kg/ha

• positive
  A row spacing of 14.7 cm significantly increased grain and straw yield per square metre compared with 29.4 cm.

  compared with 29.4cm row spacing

• positive
  A seeding rate of 100 kg/ha significantly increased grain and straw yield per square metre compared with 80 kg/ha.

  compared with 80kg/ha

Influence of nitrogen and plant density on spring wheat (Tritium aestivum L.) and oat (Avena ludoviciana L.) competitiveness · 2014

• positive
  Higher plant density reduced wild oat seed production.
• positive
  Higher plant density reduced wheat yield loss.

cites 2 papers here

Effect of crop geometry, drip irrigation and bio-regulator on growth, yield and water use efficiency of wheat (Triticum aestivum L.) · 2015

• positive
  The 60 per cent ETc and 60 cm drip spacing combination maximized harvest index.

Effect of sowing methods and seed rates on wheat yield and water productivity · 2015

• positive
  At 100 kg/ha seed rate, wheat had the highest grains per spike, 42.167.
• positive
  At 160 kg/ha seed rate, wheat had highest grain yield of 4,117.1 kg/ha.
• positive
  At 100 kg/ha seed rate, wheat had the highest thousand-grain weight, 35.336 g.
• positive
  At 160 kg/ha seed rate, wheat had highest tiller number of 297.94.
• negative
  At 100 kg/ha seed rate, wheat had the lowest tiller number, 264.17.
• negative
  At 160 kg/ha seed rate, wheat had the lowest grains per spike, 38.833.
• negative
  At 160 kg/ha seed rate, wheat had the lowest thousand-grain weight, 34.256 g.
• negative
  At 100 kg/ha seed rate, wheat had the lowest grain yield, 3,360.1 kg/ha.

cites 2 papers herecited by 5 papers here

Effect of Genotype, Environment, and Production Packages on Yield, Agronomic Characteristics, and End-Use Quality of Winter Wheat · 2015

• positive
  Higher seed rate improved grain yield, seed weight and volume weight.

cites 7 papers herecited by 1 paper here

Performance of System of Wheat Intensification (SWI) and conventional wheat sowing under North Eastern Plain Zone of India · 2015

• positive
  SWI at 10 cm × 10 cm spacing significantly increased wheat grain yield over other treatments in both years.

  compared with other treatments

Effect of herbicides and row spacing on weed dynamics and productivity of bread wheat (Triticum aestivum L.) · 2015

• positive
  17.5 cm row spacing gave significantly higher wheat grain yield of 4.94 t ha -1.

  compared with other row spacing

• positive
  Dry matter accumulation was highest under 22.5 cm row spacing.
• positive
  17.5 cm row spacing gave significantly higher biological yield of 11.94 t ha -1.

  compared with other row spacing

• positive
  17.5 cm row spacing gave higher net return of 71314 Rs. ha -1.

  compared with other row spacing

cited by 1 paper here

Reduced doses of total herbicide used together with plant density for weed management in wheat (Triticum durum L.) fields · 2015

• positive
  Increased seeding rate increased the number of spikes per m2 of wheat.
• positive
  Increased seeding rate increased grain yield of wheat.
• negative
  Increasing seeding rate decreased 1000-grain weight of wheat.

Effect of Planting Density and Nitrogen Application Rate on Population Quality and Yield Formation of Super High-Yielding Winter Wheat · 2015

• positive
  At density 150×104 plants·hm-2 with 240kg·hm-2 nitrogen, grain yield reached 10 308.65 kg·hm-2.
• positive
  At density 150×104 plants·hm-2 with 300kg·hm-2 nitrogen, grain yield reached 10 221.98 kg·hm-2.

Improving Winter Wheat Yield in the Southeast by Examining the Development and Mortality of Fall, Winter, and Spring Tillers Using Different Seed Populations and Nitrogen Management Strategies · 2015

• positive
  More tillers survived to harvest at low seeding rate.
• positive
  Low seeding rate produced more spring tillers.
• negative
  Higher seeding rates lacked tiller production and showed self-thinning.

Influence of wheat populations arrangement on growth characteristics and grain yield · 2015

• positive
  Paired spacing increased grain weight in both wheat cultivars.

  compared with single spacing

• negative
  Paired spacing reduced yield relative to single spacing.

  compared with single spacing

• negative
  Paired spacing reduced spikes per square meter relative to single spacing.

  compared with single spacing

cites 1 paper here

Effect of sowing and seeding rate on weediness and productivity of winter wheat · 2015

• positive
  Increasing the seeding rate from 5.0 million to 5.5 and 6.0 million similar grains per ha increased winter wheat productivity, most strongly under the least favorable sowing terms.

  compared with 5.0 million similar grains

Growth and yield response of wheat (Triticum aestivum L.) to tillage and row spacing in maize-wheat cropping system in semi-arid region · 2016

• positive
  Wheat at 15-cm row spacing had higher grain yield than at the other three spacings.

  compared with all three other row spacing

• positive
  Wheat at 15-cm row spacing had more tillers than at the other three spacings.

  compared with all three other row spacing

cites 5 papers herecited by 3 papers here

Maximising water productivity of wheat crop by adopting drip irrigation · 2016

• positive
  SWI with drip irrigation at 20 cm emitters spacing (T3) produced the greatest plantheight, number of tillers per metre square, number of effective tillers in wheat.

cited by 1 paper here

Optimization of Inter-Row Spacing and Nitrogen Rate for the application of Vision Guided Inter-Row Weeding in Organic Spring Cereals · 2016

• positive
  Maintaining the seed rate when increasing row spacing was important for preserving crop yields.
• positive
  The best weeding effectiveness and crop yield were achieved with 15 and 20 cm row spacing and high N rate.

Effect of cultivar and seed rate on weed infestation and crop performance of wheat · 2016

• positive
  BARI Gam 26 with 100 kg seed rate had the highest grain yield.

cited by 1 paper here

Effect of irrigation levels and seed rates on wheat production · 2016

• positive
  The interaction of irrigation and seed rates increased the listed wheat production and economic variables up to 120 kg ha -1 and 470 mm.

cites 1 paper here

Agroeconomic Evaluation of Late Sown Wheat (Pak-13) for Nutrient Ratiosand Seeding Densities under Rainfed Conditions · 2016

• positive
  Seeding densities gave the maximum benefit cost ratio of 1:17.61 at 80 kg per hectare.

Limited Irrigation for Improving Water Use Efficiency of Winter Wheat in the Guanzhong Plain of Northwest China · 2016

• positive
  High planting density with mild water stress increased field-experiment yield.

The influence of seeding rate, predecessor and fertilization system on yielding capacity of winter wheat · 2016

• positive
  After peas without fertilizer, 5.0–6.0 million/ha seeding gave maximum yield averaging 4.88–5.06 t/ha.
• positive
  After fallow with moderate fertilization, 5.0–5.5 million/ha seeding gave the highest and most stable yield.
• positive
  Under organo-mineral fertilization, 5.5–6.0 million/ha seeding gave the highest and most stable yield.

Evaluation of Some Bread Wheat Cultivars under Different Seeding Rates and Weed Control Treatments · 2016

• positive
  Seeding at 60 kg/fed gave the highest economic values, gross income and net income with Giza 168 and the Garnstar treatments.
• positive
  Seeding at 60 kg/fed gave the highest spike length, spike number per square metre and grain yield in both seasons.
• positive
  Seeding at 60 kg/fed gave the highest profitability with Giza 168 and the Garnstar treatments.

cited by 2 papers here

EVALUATION BREAD WHEAT PURE LINES UNDER EFFECT OF DIFFERENT SEEDING RATES · 2016

• positive
  Pure line S148 at 200 kg/ha seeding rate gave the highest grain yield (7.49 t/ha) in bread wheat.
• positive
  Increasing seeding rates increased plant height, biological yield and harvest index of bread wheat.

EVALUATION BREAD WHEAT PURE LINES UNDER EFFECT OF DIFFERENT SEEDING RATES FOR GRAIN YIELD AND IT, S COMPONENT · 2016

• positive
  Higher seeding rates increased spike number and flag leaf angle.

cites 1 paper here

Growth, yield and yield components of wheat as affected by crop sequences, seeding rates and nitrogen fertilizer levels · 2016

• positive
  Raising the seeding rate increased grain and straw yields.

  compared with 50

• positive
  Raising the seeding rate increased tillers, spikes, grain yield and straw yield.

  compared with 50

• negative
  Raising the seeding rate reduced spike weight, grains per spike and thousand-grain weight.
• negative
  Raising the seeding rate reduced spike length and spikelet number.

Delayed wheat (Triticum aestivum L.) cultivation and role of diverse seeding rates and row spacings under semiarid agro-climatic situations · 2016

• positive
  Seed rate of 150 kg/ha with 20 cm row spacing gave higher spikelet number, productive tillers and grain weight per spike than 125 kg/ha with any row spacing.

  compared with 125 kg ha -1 with any row spacing

• positive
  Seed rate of 150 kg/ha with 20 cm row spacing gave higher 1000-grain weight, biological yield and grain yield than 125 kg/ha with any row spacing.

  compared with 125 kg ha -1 with any row spacing

• positive
  Seed rate of 150 kg/ha with 20 cm row spacing gave higher straw yield than 125 kg/ha with any row spacing.

  compared with 125 kg ha -1 with any row spacing

cites 1 paper herecited by 1 paper here

Seeding Rate, Genotype, and Topdressed Nitrogen Effects on Yield and Agronomic Characteristics of Winter Wheat · 2017

• positive
  Twice-normal seeding raised yield by 5% at ARF in 2014.
• positive
  Twice-normal seeding raised yield by 13% at ARF in 2015.
• positive
  Wheat grain yield rose with seeding rate at both sites and in both years.
• positive
  Twice-normal seeding raised yield by 5% at HPAL in 2015.
• positive
  Twice-normal seeding raised yield by 9% at HPAL in 2014.

cites 8 papers herecited by 5 papers here

Effect of different doses of nitrogen and seed rate on various characters and seed yield of wheat (Triticum aestivum L.) · 2017

• positive
  Spike length, spike number and seeds per spike showed similar responses to nitrogen dose and seed rate.

  compared with 100 kg/ha nitrogen and seed rate

• positive
  Thousand seed weight and harvest index showed similar responses to nitrogen dose and seed rate.

  compared with 100 kg/ha nitrogen and seed rate

• positive
  The tested nitrogen doses and seed rates significantly increased biological yield relative to the baseline.

  compared with 100 kg/ha nitrogen and seed rate

• positive
  The tested nitrogen doses and seed rates significantly increased wheat seed yield compared with the stated baseline.

  compared with 100 kg/ha nitrogen and seed rate

cited by 1 paper here

Evaluation of Performance of New Wheat Cultivar under Different Row Spacing · 2017

• positive
  Row spacing of 18 cm gave a B:C ratio of 1.64.

cites 2 papers herecited by 1 paper here

Effects of Row Spacing and Nitrogen Rate on Wheat Grain Yield and Profitability as Influenced by Diseases · 2017

• positive
  Narrow row spacing combined with fungicide treatment gave the highest mean yield and test weight of wheat across nitrogen rates.

cites 2 papers here

Improvement of Wheat (Triticum aestivum L.) Yield by Different Row Spacings and Varieties · 2017

• positive
  The 15.0 cm row spacing gave significantly higher straw yield (84.7 q/ha) than 20.0 and 22.5 cm row spacings.

  compared with 20.0 and 22.5 cm row spacing crop

• positive
  The 15.0 cm row spacing gave significantly higher grain yield (54.0 q/ha) than 20.0 and 22.5 cm row spacings.

  compared with 20.0 and 22.5 cm row spacing crop

cites 4 papers here

Genotype by Seeding Rate Interaction in Wheat · 2017

• positive
  Seeding rate significantly increased wheat yield at Ashland Bottoms.
• no effect
  Wheat yield plateaued at a seeding rate of 120 lb/a at Ashland Bottoms.
• no effect
  Seeding rate had no significant effect on wheat yield at Topeka.

Optimum Seeding Rate for Different Wheat Varieties in Kansas · 2017

• positive
  Wheat grain yield increased with seeding rate at both locations and peaked near 0.8-0.95 million emerged plants per acre.
• negative
  Higher plant population reduced spring tillers per wheat plant from over eight to under four.

  compared with 600,000 seeds per acre

• no effect
  Further seeding-rate increases did not affect wheat grain yield.

cited by 1 paper here

Grain yield and competitive ability against weeds in modern and heritage common wheat cultivars are differently influenced by sowing density · 2017

• positive
  At low versus high sowing density, grain yield increased 15.6% in heritage wheat cultivars.

  compared with high sowing density

• no effect
  At low versus high sowing density, grain yield in modern wheat cultivars did not decrease significantly.

  compared with high sowing densityNo difference from an alternative treatment

cites 3 papers here

Late sowing with high seeding rate increases wheat water use efficiency under deficit irrigation · 2017

• positive
  Moderately delayed sowing with higher seeding rate did not reduce wheat yield versus normal sowing.

  compared with SD1

Response of Zero Tillage Wheat to Row Spacing and Nitrogen Application Methods · 2017

• positive
  Thirty centimeter row spacing increased yield components
• positive
  Thirty centimeter spacing with N placement produced optimum wheat yield of 5352 kg ha -1
• positive
  Thirty centimeter row spacing increased benefit cost ratio
• positive
  Thirty centimeter row spacing increased yield

cites 3 papers here

Growth and yield attributes of wheat (Triticum aestivum L.) as influenced by lateral spacing with drip irrigation and nitrogen levels · 2017

• positive
  At 60 cm lateral spacing, wheat growth and yield attributes were significantly higher than with other treatments but at par with 80 cm.

  compared with rest of the treatments

ПРОДУКТИВНІСТЬ ПШЕНИЦІ ОЗИМОЇ ЗАЛЕЖНО ВІД СТРОКУ СІВБИ ТА НОРМИ ВИСІВУ ПІСЛЯ РІПАКУ ОЗИМОГО В УМОВАХ СТЕПУ · 2017

• positive
  The highest winter wheat yield, 5.23 t/ha, was obtained with sowing on September 20 at 5 and 6 million seeds per hectare.

Evaluation of wheat varieties under Populus deltoides plantation at various tree spacing · 2017

• positive
  Wheat tillers, spike length and grain metrics were greatest at S1 and least at S2.

  compared with S2

• positive
  Wheat biological yield was highest at S1 and lowest at S2.

  compared with S2

Response of Bread Wheat (Triticum aestivum L.)Varieties to Different Seeding Rate for Growth, Yield and Yield Components in Kombolcha District, North-Eastern Ethiopia · 2017

• positive
  Picaflor at 100 kg ha -1 was superior for yield in the study area.
• positive
  A 100 kg ha -1 seeding rate had better growth, yield components and profitability than 150 kg ha -1.

  compared with higher seeding rate

cited by 2 papers here

Yield, water use efficiency and economics of wheat (Triticum aestivum L.) as influenced by different lateral spacing with drip irrigation and nitrogen levels · 2017

• positive
  Grain yield was significantly higher at 60 cm than other spacings, but comparable to 80 cm.

  compared with 80 cm lateral spacing

• positive
  Straw yield was significantly higher at 60 cm than other spacings, but comparable to 80 cm.

  compared with 80 cm lateral spacing

• positive
  Benefit-cost ratio was highest at 80 cm spacing, followed by 60 cm.

  compared with 60 cm lateral spacing

REGULATION OF TILLERING IN WHEAT AND ITS RELATIONSHIP WITH GRAIN YIELD 2. CONTRIBUTION PERCENTAGES OF THE MAIN STEM AND PRIMARY TILLERS IN THE NUMBER OF SPIKELET AND GRAIN NUMBER AND WEIGHT OF 1000 GRAINS. · 2017

• positive
  The 60 kg.ha-1 seeding rate had the highest thousand-grain weight, 27.52.

  compared with other seed rates

• positive
  The 60 kg.ha-1 seeding rate had the highest grain number, 32.95 per spike.

  compared with other seed rates

Response of wheat (Tritium aestivum L.) to variable seed rates: the case of Hawassa Area, Southern Ethiopia. · 2017

• positive
  At 125 kg ha-1 seed rate, wheat had a higher grain yield of 25.78 qtha-1.
• positive
  At 125 kg ha-1 seed rate, wheat had a higher spike length of 8.9 cm.
• positive
  At 125 kg ha-1 seed rate, wheat had a higher number of effective tillers of 10.27.
• positive
  At 125 kg ha-1 seed rate, wheat had a higher 1000-grain weight of 41.7 g.

cited by 1 paper here

Performance of wheat under different planting methods and weed management practices · 2017

• positive
  Zero tillage at 18 cm row spacing significantly increased dry matter accumulation and leaf area index compared with bed planting with two rows.

  compared with bed planting with two rows of wheat

• positive
  Gross returns, net returns and benefit:cost ratio were maximum under zero tillage at 18 cm row spacing.
• positive
  Zero tillage at 18 cm row spacing significantly increased the number of tillers of wheat.

cited by 1 paper here

Effect Of Sowing Methods And Seed Rate On Yield Of Bread Wheat (Triticum Aestivum L.) At South Ari District, South Omo Zone, Snnpr, Ethiopia · 2017

• positive
  Seed rate of 125 kg ha-1 gave the maximum grain yield of 3.9 t ha-1.

  compared with 200 kg ha-1

cited by 2 papers here

Seeding Rate for Dryland Wheat · 2018

• positive
  A seeding rate of 75 lb/a generally produced the highest yields in 2017 winter wheat.

Light interception and radiation use efficiency response to tridimensional uniform sowing in winter wheat · 2018

• positive
  For the U sowing pattern, yield was highest at a planting density of 3.6 million plants ha−1.
• positive
  In the D sowing pattern, the lowest planting density (1.8 million plants ha−1) gave the highest yield.

cited by 4 papers here

Impact of planting density on wheat crop grown under different tree species in tarai agroforestry system of central himalaya, India · 2018

• positive
  Wheat biological yield at 3 × 2.5 m spacing under Melia was higher, at 45.4 q/ha.

  compared with other planting density

• positive
  Wheat straw yield at 3 × 2.5 m spacing under Melia was higher, at 29.4 q/ha.

  compared with other planting density

• positive
  Wheat yield attributes were higher at 3 × 2.5 m spacing under Melia.

  compared with other planting density

• positive
  Wheat grain yield at 3 × 2.5 m spacing under Melia was higher, at 16.0 q/ha.

  compared with other planting density

Effect of wheat [Treticum aestivum (L.)] varieties under fertility levels and seed rates on growth and economics of crop plant · 2018

• positive
  MP-4010 at 125kg/ha and F2 gave maximum net income of Rs. 64581 /ha.

  compared with other treatment combinations

• positive
  150kg/ha seed rate gave highest gross and net income.

  compared with seed rate 125 kg/ha

Effect of straw mulch and seeding rate on the harvest index, yield and water use efficiency of winter wheat · 2018

• positive
  Low seeding rate increased harvest index.

  compared with high seeding rate

• no effect
  Seeding rate had no effect on yield.

cites 2 papers here

Determination of optimal sowing dates and densities of winter wheat under Quebec growing conditions · 2018

• positive
  Increasing seeding density from 250 to 550 seeds per square metre raised average yield by 9% in zones 2 and 3.
• no effect
  Increasing seeding density produced no yield gain in zone 1.

cites 4 papers here

Effect of inter row spacing with or without weed control in wheat ( Triticum aestivum L.) · 2018

• positive
  Narrow 15 cm row spacing gave the highest grain and biological yield in wheat.
• positive
  Narrow 15 cm row spacing gave the highest plant height and number of spikes per m2 in wheat.

cites 1 paper here

GROWTH AND YIELD OF WHEAT IN RESPONSE TO SEED VIGOR AND SOWING DENSITIES · 2018

• positive
  A sowing density of 200 seeds per m2 gave higher shoot dry matter per plant at booting and ear emergence than 400 viable seeds per m2.

  compared with 400 viable seeds per m2

cited by 1 paper here

Performance of wheat (Triticum aestivum L.) varieties grown under Ceiba pentandra L. gaertn based agrisilviculture system · 2018

• positive
  Wheat grain yield was highest at 4x8 m tree spacing, at 30.2 q/ha.

  compared with other two tree spacing’s

Effect of different levels of Nitrogen and seed rates on growth and yield of nontraditional crop wheat (Triticum aestivum) in Telangana · 2018

• positive
  A 125 kg ha-1 seed rate yielded 3084 kg ha-1, significantly above the 100 kg ha-1 rate.

  compared with 100 kg ha-1

• positive
  A 125 kg ha-1 seed rate produced significantly more tillers and panicles than 100 kg ha-1.

  compared with 100 kg ha-1

• no effect
  The 125 kg ha-1 seed rate had statistically similar grain yield to 150 kg ha-1.

  compared with 150 kg ha-1No difference from an alternative treatment

Optimization of sowing date and seeding rate for high winter wheat yield based on pre-winter plant development and soil water usage in the Loess Plateau, China · 2019

• positive
  1 October sowing with 90 kg ha–1 seeding achieved the best yield.

cites 1 paper herecited by 2 papers here

Influence of Seed Rate and Row Spacing on Growth and Yield of Bread Wheat in Chelia District of West Showa Zone, Ethiopia · 2019

• positive
  Seed rate of 150 kg ha -1 with 20cm rows gave higher net benefit for wheat producers.
• positive
  A 20cm row spacing produced a higher harvest index of 42.93.
• positive
  A 150 kg ha −1 seed rate produced significantly higher mean grain yield of 4814 kg ha −1.
• positive
  A 20cm row spacing produced higher thousand grain weight of 52.04 g.
• positive
  Wider 25cm rows produced a significantly higher mean tiller number per plant.

cites 2 papers herecited by 1 paper here

Effect of wheat planting density and weed management on nutrient accumulation and uptake of wheat and weeds under agro-climatic condition of Quetta-Pakistan · 2019

• positive
  A seed rate of 125 kg ha -1 increased wheat grain yield to 4.24 t ha -1 .

cites 2 papers here

THE IMPROVEMENT OF WINTER WHEAT SOWING METHODS AND RATES IN THE ZAVOLZHIE · 2019

• positive
  Sowing 2.0–4.0 million/ha gave the highest net income of 12251.5–12498.3 rubles/ha.
• positive
  Sowing 2.0–4.0 million/ha gave the highest profitability of 107.7–121.5%.

Wheat Variety Response to Seeding Rate in Kansas During the 2018–19 Growing Season · 2019

• positive
  For more responsive wheat varieties, grain yield was greater than at 1.05 million emerged plants per acre.
• positive
  For average responsive wheat varieties, grain yield usually maximized at approximately 0.9 million plants per acre.
• positive
  Grain yield usually maximized at approximately 0.9 million emerged plants per acre across environments and varieties.
• positive
  For less responsive wheat varieties, grain yield usually maximized at 0.6 to 0.7 million plants per acre.

cited by 1 paper here

Maximizing Yield and Water Use Efficiency of Wheat Crop Using Drip Irrigation Systems · 2019

• positive
  Surface drip irrigation with 60 cm lateral and 20 cm emitter spacing produced the highest wheat yield, 64.31 qha-1.

cites 1 paper here

Optimal Wheat Seeding Rate is Influenced by Cultivar‐Specific Topsoil and Subsoil Root Traits · 2019

• positive
  Increasing seeding rate increased CH1 grain yield and subsoil roots.
• negative
  Increasing seeding rate decreased CW134 grain yield in both seasons.

cites 1 paper herecited by 1 paper here

Effect of seeding, Belcocel and nitrogen fertilizer rates on yield and yield components of wheat under North Sinai conditions · 2019

• positive
  The combination of 600 seeds/m2, belcocel twice at 375 cm3/feddan and 90 kg N/feddan gave the highest grain yield/feddan, straw yield/feddan and harvest index compared with all other treatments in both seasons.

  compared with all other treatments

• positive
  The combination of 600 seeds/m2, belcocel twice at 375 cm3/feddan and 90 kg N/feddan gave the highest number of spikes/m2, spike length and number of grains/spike compared with all other treatments in both seasons.

  compared with all other treatments

• positive
  Seeding wheat at 600 seeds/m2 gave the highest grain yield/feddan and straw yield/feddan compared with other seeding rates in both seasons.

  compared with other seeding rates

• positive
  Seeding wheat at 600 seeds/m2 gave the highest number of spikes/m2, spike length and number of grains/spike compared with other seeding rates in both seasons.

  compared with other seeding rates

• positive
  Seeding wheat at 600 seeds/m2 gave the highest harvest index compared with other seeding rates in the first season.

  compared with other seeding rates

Interactive effects of sowing pattern and planting density on grain yield and nitrogen use efficiency in large spike wheat cultivar · 2019

• positive
  Wide range sowing with higher density alleviated the decrease in single spike weight associated with more spikes.

  compared with conventional drilling sowing

cites 3 papers here

Growth and yield of five irrigated spring wheat varieties as influenced by seeding rate in Old Himalayan Piedmont Plain of Bangladesh · 2019

• positive
  A 140 kg ha─1 seed rate produced significantly higher grain yield than other rates for all varieties.

  compared with other rates

• negative
  Seed rates below 120 kg ha─1 failed to produce comparable grain yield in either year.

  compared with recommended rate (120 kg ha─1)

Impact of Planting Methods and Plant Density on Intercropped Wheat with Sugar Beet · 2019

• positive
  Intercropping 12.50 % of wheat seeding rate per feddan with sugar beet gave the highest land equivalent ratio and gross returns.
• positive
  Intercropping 12.50 % of wheat seeding rate per feddan with sugar beet increased land productivity.

The efficiency of the spring wheat production process depending on the seeding rate in the arid zone of Mongolia · 2020

• positive
  Seeding at 140-180 kg/ha gave maximum yield versus 210-230 kg/ha.

  compared with higher seeding rate of 210-230 kg/ha

Suitable genotype and optimization of seed rate for late sown wheat · 2020

• positive
  Seed rate of 150 kg/ha gave 50.5 grains per spike.

  compared with different seed rates

• positive
  Seed rate of 150 kg/ha gave straw yield of 6,991 kg/ha and biological yield of 11,900 kg/ha.

  compared with different seed rates

• positive
  Seed rate of 150 kg/ha, despite the highest cultivation cost (Rs 78,353/ha), gave the highest gross returns (Rs 131,259/ha), net returns (Rs 52,906/ha) and B:C (1.68).

  compared with Among different seed rates

• positive
  Seed rate of 150 kg/ha gave the highest grain yield (4,909 kg/ha).

  compared with different seed rates

• no effect
  Spike length and number of spikelets per spike were not significantly affected by seed rate.

cites 5 papers herecited by 1 paper here

Response of wheat (Triticum aestivum L.) to nitrogen levels and seed rate under different tillage conditions · 2020

• positive
  The 125 kg ha-1 seed rate gave the highest net returns over 100 kg ha-1.

  compared with seed rate of 100 kg ha-1

• positive
  A 125 kg ha-1 seed rate significantly increased grain, straw and biological yields over 100 kg ha-1.

  compared with seed rate of 100 kg ha-1

Weed Population Dynamics as Influenced by Seed Rates and Herbicides Application Under Rain fed Wheat (Triticum aestivum L.) Production System · 2020

• positive
  Grain yield was highest at 4516.42 kg ha -1 with 150 kg ha -1 seed rate plus Pallas 45 OD, while the weedy check was lowest.

  compared with weedy check

Cultivar × Management Interaction to Reduce Lodging and Improve Grain Yield of Irrigated Spring Wheat: Optimising Plant Growth Regulator Use, N Application Timing, Row Spacing and Sowing Date · 2020

• positive
  Nineteen-centimetre rows gave the highest yield across cultivars in low-lodging environments.

cites 1 paper herecited by 1 paper here

The Combined Effect of Different Sowing Methods and Seed Rates on the Quality Features and Yield of Winter Wheat · 2020

• positive
  Grain yield rose significantly with seed rate and was highest at 225 kg ha−1.

cites 6 papers herecited by 4 papers here

Improving Kentucky's Winter Wheat and Double Crop Soybean Rotation · 2020

• positive
  Increased seeding rate had positive net benefits in the wheat and soybean rotation.

Wheat Grain Yield Response to Seed Cleaning and Seed Treatment as Affected by Seeding Rate During the 2018–2019 Growing Season in Kansas · 2020

• positive
  Wheat grain yield increased with increases in seeding rate in five locations.
• positive
  Each higher seeding rate level added about 5 bushels per acre to grain yield.

cited by 1 paper here

Wheat Variety-Specific Grain Yield Response to Plant Density Under Intensive Management Conditions in Western Kansas · 2020

• positive
  In 2017–2018, wheat grain yield increased linearly with seeding rate increases from 200,000 to 400,000 seeds per acre, from about 40–60 bushels per acre.

cites 1 paper here

Growth and development of spring crops in competition with oat in the dryland Mediterranean climate of eastern Washington · 2020

• positive
  Doubling seeding rate increased barley and wheat yield in 2010.

cites 4 papers here

Weed Management and Productivity of Bread Wheat as Affected by Seed Rates and Herbicides Application at Holeta Ethiopia · 2020

• positive
  The 150 kg ha -1 rate with 2,4-D gave a higher marginal rate of return.
• positive
  The 150 kg ha -1 rate with Pallas gave the highest productive tiller count of 133.33 m -2.

  compared with weedy check

• positive
  The 150 kg ha -1 rate with Pallas gave the highest biological yield of 13100 kg ha -1.

  compared with weedy check

• positive
  The 150 kg ha -1 rate with Pallas gave the highest grain yield of 4516.42 kg ha -1.

  compared with weedy check

• positive
  The 150 kg ha -1 rate with Pallas gave the maximum net benefit.
• positive
  The 150 kg ha -1 rate with Pallas gave the highest thousand grain weight of 44.36 g.

  compared with weedy check

• positive
  The 150 kg ha -1 rate with Pallas gave the highest seeds per spike at 76.48.

  compared with weedy check

cited by 1 paper here

Influence of seed priming techniques on grain yield and economic returns of bread wheat planted at different spacings · 2020

• positive
  Osmopriming with 22.5-cm row spacing gave the highest grain yield and harvest index each year.
• positive
  Osmopriming combined with 30-cm row spacing produced the highest numbers of productive tillers, grains per spike and 1000-grain weight.

cited by 1 paper here

High nitrogen application rate and planting density reduce wheat grain yield by reducing filling rate of inferior grain in middle spikelets · 2020

• positive
  High nitrogen application and planting density significantly increased wheat spike density.
• negative
  High nitrogen application and planting density reduced wheat kernel number per spike.
• negative
  High nitrogen application and planting density reduced wheat 1000-kernel weight.
• negative
  High nitrogen and density significantly decreased inferior grain filling rate in middle spikelets, especially early and midway through filling.

cites 2 papers herecited by 4 papers here

EFFECT OF TILLAGE SYSTEM AND SEEDING RATES ON GROWTH AND WHEAT YIELD Triticum aestivum L. AND ITS ASSOCIATED WEEDS. · 2020

• positive
  Seeding rate 120 kg ha-1 surpassed 80 and 100 kg ha-1 for grain yield by 281.89 gm.m-2 at Hamdaniya.

  compared with 80 and 100 kg.ha-1

• positive
  Seeding rate 120 kg ha-1 with conservation tillage gave the best grain yield, 314.62 gm.m-2 at Hamdaniya.
• positive
  Seeding rate 120 kg ha-1 surpassed 80 and 100 kg ha-1 for grain yield by 360.01 gm.m-2 at Talkef.

  compared with 80 and 100 kg.ha-1

• positive
  Seeding rate 120 kg ha-1 with conservation tillage gave the best grain yield, 405.02 gm.m-2 at Talkef.

Effect of growth parameters at different levels of seed rate in wheat under irrigated area · 2020

• positive
  Breeder seed at 22.5 cm spacing and 120 kg ha-1 seed rate maximized plant height, tillers, and ear length.

  compared with other treatments combinations

• positive
  This treatment maximized harvest index.

  compared with other treatments combinations

• positive
  This treatment maximized grain spike-test weight, biological yield and grain yield.

  compared with other treatments combinations

cites 5 papers here

Studies on quality seeds with row-spacing at different levels of seed rate of wheat · 2020

• positive
  The same treatment increased ear length, grains per ear, and yield.

  compared with other treatments

SOME ELEMENTS OF CULTIVATION TECHNOLOGY OF WINTER BREAD WHEAT VARIETY ‘KRASA DONA’ · 2020

• positive
  Increasing seeding rate at late sowing added up to 1470–1670 rubles/ha in conditional net income.
• positive
  Increasing seeding rate from 5 to 6–7 million/ha raised yield only 0.08–0.23 t/ha.
• negative
  Increasing seeding rate at late sowing decreased profitability.

cited by 1 paper here

Ancient Wheat Species (Triticum sphaerococcum Perc. and T. persicum Vav.) in Organic Farming: Influence of Sowing Density on Agronomic Traits, Pests and Diseases Occurrence, and Weed Infestation · 2020

• positive
  Increasing the sowing density of T. sphaerococcum from 400 to 600 grains m−2 increased its grain yield.

cites 3 papers herecited by 1 paper here

Behavior of Growth and Yield Bread Wheat by the Influence of Fulvic Acid and Seeing Rate · 2020

• positive
  At 160 Kg ha-1 seeding, biological yield reached 17.84 ton ha-1.

  compared with 120 Kg ha-1

• positive
  At 160 Kg ha-1 seeding, grain yield reached 4.273 ton ha-1.

  compared with 120 Kg ha-1

• positive
  At 160 Kg ha-1 seeding, spike weight reached 3.84 g spike-1.

  compared with 120 Kg ha-1

Influence of seed rate and fertilizer levels on agro physiological parameters and yield of dual-purpose wheat (Triticum aestivum) · 2020

• positive
  WH 1105 without cutting at 125 kg/ha and 130% RDF had higher grain yield than C 306 treatments, and was statistically at par with two other WH 1105 input combinations.

  compared with C 306 under either cut management

• positive
  At 125 kg/ha seed rate and 130% RDF, wheat had higher LAI and total tillers.
• positive
  At 125 kg/ha seed rate and 130% RDF, wheat had higher dry matter accumulation.

cites 3 papers here

Weed control practices in wheat (Triticum aestivum L.) under arid conditions of Southern Punjab, Pakistan · 2020

• positive
  Cross rows spaced 15 cm apart gave the highest wheat yield versus other treatments.

  compared with all other treatments

Effects of different agricultural treatments on narrowing winter wheat yield gap and nitrogen use efficiency in China · 2021

• positive
  Increasing planting density narrowed the simulated wheat yield gap by 0–400 kg ha–1.

cited by 1 paper here

Yield components of dryland winter wheat genotypes and response to seeding rate · 2021

• positive
  Seeding rates of 84 and 101 kg ha−1 produced the greatest winter wheat yields compared with 34 kg ha−1.

  compared with 34 kg ha −1

• positive
  Seeding rates of 67 kg ha−1 and greater gave a 17% yield advantage over 34 kg ha−1 averaged across site-years.

  compared with lowest seeding rate (34 kg ha −1 )

• negative
  Lower than optimum seeding rates reduced winter wheat grain yield.

  compared with optimum

cites 5 papers herecited by 3 papers here

Optimal Agronomics Increase Grain Yield and Grain Yield Stability of Ultra-Early Wheat Seeding Systems · 2021

• positive
  Earliest seeding dates, high seeding rate, and shallow seeding depth gave greatest grain yield.
• positive
  Planting at 0 °C and before 7.5–10 °C with optimal rate and shallow depth increased grain yield over current practice.

  compared with current seeding practices

cites 2 papers here

Economic and biological characteristics of the spring bread wheat varieties developed in the Voronezh FASC named after V. V. Dokuchaev · 2021

• positive
  A seeding rate of 6.0 million germinating grains per hectare gave the best productivity, conditioned seed yield, germination and 1000-grain weight for Voronezhskaya 18.
• positive
  A seeding rate of 6.0 million germinating grains per hectare gave the best productivity, conditioned seed yield, germination and 1000-grain weight for Chernozemnouralskaya 2.

Effect of seed vigor and sowing densities on the yield and physiological potential of wheat seeds · 2021

• positive
  Increasing sowing density favored the seed yield of both wheat cultivars.

cites 2 papers herecited by 1 paper here

Influence of seed rate and fertilizer levels on agro physiological parameters and yield of dual purpose wheat (Triticum aestivum) · 2021

• positive
  The 125 kg/ha seed rate and 130% RDF produced significantly higher LAI and tiller counts.
• positive
  The 125 kg/ha seed rate and 130% RDF produced significantly higher dry matter accumulation.
• positive
  Uncut WH 1105 at 125 kg/ha and 130% RDF had significantly higher grain yield than C 306 treatments.

  compared with C 306 under either cut management

cites 3 papers here

Effects of Seed Rates and Herbicides Application on Weed Management and Productivity of Wheat (Triticum aestivum L.) at Holeta Ethiopia · 2021

• positive
  150 kg/ha seed rate with Pallas 45 OD gave the highest thousand grain weight (44.36 g), against the weedy check.

  compared with weedy check

• positive
  150 kg/ha seed rate with Pallas 45 OD gave the highest grain yield (4516.42 kg/ha), against the weedy check.

  compared with weedy check

• positive
  150 kg/ha seed rate with Pallas 45 OD gave the highest number of productive tillers (133.33 m-2), against the weedy check.

  compared with weedy check

• positive
  Based on partial budget analysis, 150 kg/ha seed rate with Pallas 45 OD gave the maximum net benefit.
• positive
  150 kg/ha seed rate with Pallas 45 OD gave the highest biological yield (13100 kg/ha), against the weedy check.

  compared with weedy check

• positive
  150 kg/ha seed rate with 2,4-D gave a higher marginal rate of return.
• positive
  150 kg/ha seed rate with Pallas 45 OD gave the highest number of seeds per spike (76.48), against the weedy check.

  compared with weedy check

Optimized seeding rate and nitrogen topdressing ratio for simultaneous improvement of grain yield and bread‐making quality in bread wheat sown on different dates · 2021

• positive
  Optimised seeding rate and nitrogen topdressing enhanced nitrogen remobilization during grain filling.
• positive
  Optimisation improved grain yield and bread-making quality simultaneously regardless of sowing date.

cites 7 papers herecited by 2 papers here

Wheat Variety Response to Seeding Rate Across a Range of Kansas Environments in 2019–2020 · 2021

• positive
  Grain yield increased linearly with seeding rate in the five lowest yielding environments.

cites 1 paper here

Wheat Grain Yield Response to Seed Cleaning and Seed Treatment as Affected by Seeding Rate During the 2019–2020 Growing Season in Kansas · 2021

• positive
  Increasing seeding rate increased wheat stand count and grain yield across locations.

RESPONSE OF SOME WHEAT CULTIVARS TO SOWING METHODS AND SEEDING RATES UNDER SIWA OASIS CONDITIONS · 2021

• positive
  Increasing seeding rate from 30 to 75 kg/fed significantly increased spikes per square meter and biological yield.
• positive
  Seeding rates of 45 and/or 60 kg/fed gave the highest grain yield and harvest index in both seasons.
• negative
  Increasing seeding rate tended to reduce 1000-grain weight.

cites 7 papers here

Impact of Integrated Weed Management on Productivity of Bread Wheat and Associated Weeds · 2021

• positive
  The 75 kg/fed rate increased spikes per area and grain yield.

cites 5 papers here

Sowing time and seeding rate in the new wheat varieties cultivation for seeds · 2021

• positive
  Reduced seeding rate allows 4-6 additional tons of seeds.

Effect of plant population and cultivars on growth, yield and its component of bread wheat (Triticum aestivum L.) under the rain-fed condition in Kurdistan- Iraq · 2021

• positive
  A 200kg/ha density gave the highest spike length.
• positive
  A 240kg/ha density gave maximum spikes per square metre and biological yield.

Dependence of spring wheat seed productivity on mineral fertilizer doses and seeding rates · 2021

• positive
  Increasing seeding rate raised 1000-seed weight by 1.44 g.

Influence of Different Seed Rates on the Growth and Yield Characteristics of Wheat Crop (Triticum aestivum L.): Case Study of Takhar Province, Afghanistan · 2021

• positive
  A seed rate of 100 kg/ha performed better for biological yield.
• positive
  A seed rate of 100 kg/ha performed better for grain yield, straw weight and 1000-grain weight.
• positive
  A seed rate of 100 kg/ha performed better for spike length, number of tillers and number of spikes per plant.
• positive
  A seed rate of 100 kg/ha performed better for leaf area, spikelets per spike and stem girth.
• positive
  A seed rate of 100 kg/ha performed better for grain number per spike, spike weight and grain weight per spike.

cited by 1 paper here

Tillage and Plant Density as Measures of Adaptation to Climate Change · 2021

• positive
  The same changes raised grain yield 7.7% in 2021.

  compared with plowing to a depth of 28-30 cm

• positive
  Shallow tillage and reduced seeding raised grain yield 16.7% in 2020.

  compared with plowing to a depth of 28-30 cm

Effect of Cultivar and Seed Rate on Weed Infestation and Crop Performance of Wheat · 2021

• positive
  BARI Gom 24 gave the highest grain yield at 100 kg seed rate.

Suitable nitrogen application mode and lateral spacing for drip-irrigated winter wheat in North China Plain · 2021

• positive
  Lateral spacing D40 gave yield components that appeared very fruitful compared with other lateral spacings.

  compared with other LS levels

Synchronously higher planting density can increase yield via optimizing interspecific interaction of intercropped wheat and maize · 2021

• positive
  Raising both crop densities raised intercrop grain yield by 19.0%-24.0%.

  compared with traditional density

Response of Indian Dwarf Wheat and Persian Wheat to Sowing Density and Hydrothermal Conditions of the Growing Seasons · 2022

• positive
  T. sphaerococcum had its highest 2019 yield at 600 m−2 under moderate drought.

cites 3 papers here

Reducing Nitrogen Rate and Increasing Plant Density Accomplished High Yields with Satisfied Grain Quality of Soft Wheat via Modifying the Free Amino Acid Supply and Storage Protein Gene Expression · 2022

• positive
  Increasing the top-dressed N ratio and plant density partly compensated for the grain yield loss in soft wheat.

cites 1 paper herecited by 1 paper here

Wheat–Lentil Mixed Cropping System Productivity Under Varied Irrigation Levels · 2022

• positive
  Land equivalent ratio was highest with 30-35% wheat seed rate mixed with lentil.

Effects of seeding rates and nitrogen fertilizer levels on productivity of some bread wheat genotypes in Sinai and upper Egypt in sandy soils · 2022

• positive
  A seeding rate of 100 kg fad. -1 significantly increased spike number, 1000-kernel weight and grain yield.

  compared with other seeding rates

• positive
  A seeding rate of 100 kg fad. -1 with 125 kg N fad. -1 gave the highest spike number and grain yield.
• positive
  Sids 14 and Shandaweel 1 were superior in grain yield at 100 kg fad. -1 seeding rate with 125 kg N fad. -1 in both locations.

cites 3 papers here

Enhancement of Wheat Productivity Under Different Levels of Tillage, Seeding Rate and Nitrogen Sources in An Arid Region · 2022

• positive
  The intermediate seeding rate outperformed the lowest and highest seeding rates by 0.5-0.7 ton/ha in grain yield over two seasons.

  compared with lowest and highest seeding rate

cites 4 papers here

Effects of tillage method and seeding rate of wheat pasture on forage production and calf performance · 2022

• positive
  Increasing seeding rate increased fall forage production under both conventional tillage and no-till.

Different wheat intercropping systems with tomato to alleviate chilling stress, increase yield and profitability · 2022

• positive
  A 50% wheat seeding rate gave the highest grain and straw yield.

Optimizing Nitrogen and Seed Rate Combination for Improving Grain Yield and Nitrogen Uptake Efficiency in Winter Wheat · 2022

• positive
  Raising seed rate from 135 to 180 kg ha−1 increased grain yield by 12.9 %.

  compared with 135

cites 2 papers here

Wheat Variety-Specific Response to Seeding Rate Under Intensive Management Conditions in Western Kansas in 2020–2021 · 2022

• positive
  Yield increases above 600,000 seeds per acre were numerical but not statistically significant.

  compared with 600,000 seeds/a

• positive
  Yield at 600,000 to 1,000,000 seeds per acre was 97 to 101.3 bushels per acre.

  compared with lower seeding rates

Wheat Grain Yield Response to Seed Cleaning and Seed Treatment as Affected by Seeding Rate During the 2020–2021 Growing Season in Kansas · 2022

• positive
  Grain yield increased from 68.8 to 72.5 bushels per acre as seeding rate increased.

cites 1 paper here

Effect of Different Seed Rates and Row Spacing on Yield Attributes and Yield of Late Sown Wheat (Triticum aestivum L.) · 2022

• positive
  At 18 cm row spacing, straw yield was significantly higher at 72.70 q/ha.
• positive
  At 18 cm row spacing, effective tillers per meter row were significantly higher at 68.
• positive
  At 18 cm row spacing, biological yield was significantly higher at 121.83 q/ha.
• positive
  At 18 cm row spacing, spike length was significantly higher at 12.10 cm.
• positive
  At 18 cm row spacing, grain yield was significantly higher at 49.13 q/ha.
• positive
  At 18 cm row spacing, grains per spike were significantly higher at 56.16.

cites 2 papers here

Combined Effect of Nitrogen Fertilization and Seeding Rate on Regional Wheat Yield and Yield Components in Bangladesh · 2022

• positive
  Effective tillers peaked at 2.9 under the 140 seed and 160 nitrogen rates.
• positive
  Grain yield peaked at 3.0 t ha-1 with 140 kg ha-1 seed and 160 kg ha-1 nitrogen.

cites 5 papers herecited by 1 paper here

Responding Wheat and Weeds for Seeding Rates and Herbicide as Well Its Effect on Yield and Yield Components · 2022

• positive
  Aminopyraid-flurasulam with 150 kg ha-1 seeding increased 1000 grain weight versus the weedy treatment at 125 kg ha-1.

  compared with weedy treatment of seed rate125 kg.ha -1

cites 1 paper here

Effects of row spacing on soil nitrogen availability, wheat morpho-physiological traits and radiation use efficiency · 2022

• positive
  With R1 wide-narrow row spacing, yield increased by 21.46% compared with R2.

  compared with R2

• positive
  With R1 wide-narrow row spacing, yield increased by 27.54% compared with CK.

  compared with CK

cites 3 papers here

Influence of sowing dates and seeding rates on productivity and grain quality of the Univer winter bread wheat variety · 2022

• positive
  After black fallow, rates of 4 and 5 million pcs/ha gave maximum productivity of 6.33-7.13 t/ha.

cites 4 papers here

Improving wheat productivity through integrated management of Avena ludoviciana · 2022

• positive
  A high seeding rate in early-planted wheat increased grain yield by 27% compared with a low seeding rate under trifluralin.

  compared with a low seeding rate

• positive
  Pyroxasulfone-treated plots in early-planted wheat yielded more at a low seeding rate than at a high seeding rate.

  compared with a high seeding rate

• positive
  A high seeding rate in early-planted wheat increased grain yield by 42% compared with a low seeding rate in nontreated plots.

  compared with a low seeding rate

• positive
  A high seeding rate in early-planted wheat increased grain yield by 28% compared with a low seeding rate under prosulfocarb + S-metolachlor.

  compared with a low seeding rate

• no effect
  In late-planted wheat, varied seeding rates did not change grain yield regardless of weed control treatment.

cites 3 papers here

Does Belt Uniform Sowing Improve Winter Wheat Yield under High Sowing Density? · 2022

• positive
  Spike number increased with sowing density.
• negative
  Grain weight per spike decreased as density rose.
• no effect
  Harvest index was unaffected by density and sowing pattern.

cites 1 paper herecited by 2 papers here

Winter Wheat Seeding Decisions for Improved Grain Yield and Yield Components · 2022

• positive
  Goodstreak at 19 cm produced significantly more tillers at two sites.

cites 7 papers herecited by 2 papers here

DRY MATTER ALLOCATION AND GRAIN YIELD OF WHEAT AS INFLUENCED BY SOLAR RADIATION LEVEL AND PLANT DENSITY · 2022

• positive
  Full sun or 75% light with 200 plants m-2 maximized culm, leaf and spike dry weights.

cites 1 paper here

Maximizing Seed Quality and Seed Yield of Bread Wheat (Tritium aestivum L.) Through Agronomic Management in Amhara Region, Northwestern Ethiopia · 2022

• positive
  At Wonberema, the maximum bread wheat seed yield of 3.26 or 3.17 t/ha was obtained with a seed rate of 150 or 125 kg/ha and 30 cm row spacing.
• positive
  At Adet, the maximum bread wheat seed yield of 4.4 t/ha was obtained with a seed rate of 125 kg/ha and 20 cm row spacing.

THE EFFECTIVENESS OF THE USE OF MICRO-FERTILIZING MIXTURE MEGAMIX ON SPRING WHEAT CROPS AT DIFFERENT SEEDING RATES · 2022

• positive
  Increasing seeding rate to 4.5 million crops/ha increased spring wheat yield.
• no effect
  A further seeding rate increase to 5.0 million vsx. sem. / ha suspended yield gains.

Weeds Dynamics as Influenced by Seeding Rates and Row Spacing in Winter Wheat · 2022

• positive
  Wider rows produced more grain yield than narrowly spaced rows.

  compared with narrowly spaced rows

Grain Yield and Yield Related Traits of Bread Wheat as Influenced by N and Seeding Rates and Their Interaction Effects in 2020 under Irrigation at Western and North of Oromia, Ethiopia · 2023

• positive
  Optimizing nitrogen and plant population improved wheat grain yield and yield components.
• negative
  The lowest yield in all districts except Jimma Geneti came from unfertilized plots at 125 kg·ha−1 seeding rate.
• negative
  The lowest yield in Jimma Geneti occurred at 0/150 kg·ha−1 N/seed rate.

cites 2 papers herecited by 2 papers here

Optimizing plant spatial competition can change phytohormone content and promote tillering, thereby improving wheat yield · 2023

• positive
  LSRE shortened the accumulated temperature required for a single tiller.
• positive
  LSRE improved crop yield.
• positive
  LSRE increased grain weight.
• positive
  LSRE increased spikes per unit area.

cites 2 papers herecited by 2 papers here

DILKASH-20: A NEWLY APPROVED WHEAT VARIETY RECOMMENDED FOR PUNJAB, PAKISTAN, WITH SUPREME YIELDING POTENTIAL AND DISEASE RESISTANCE · 2023

• positive
  Dilkash-20 yielded better with early November planting and specified seed and fertilizer rates.

The influence of timing and seeding rates on the yield of winter wheat · 2023

• positive
  Bagrat had its highest yield, 4.65 t/ha, at the third sowing date and 5 million seeds per hectare.
• positive
  Gomer yielded 4.74 t/ha with September 30 sowing and 5 million seeds per hectare, versus 4.45 t/ha with September 10 sowing.

  compared with 1st term (September 10)

cited by 1 paper here

Efficacy of Herbicide Combinations and Seeding Rates on Growth and Yield of Bread Wheat and its Associated Weeds · 2023

• positive
  Higher seeding rates significantly gave the highest wheat grain yield at both locations.

cites 2 papers here

Optimizing agronomic practices for hard winter wheat production in the Great Plains with respect to seeding rate, row spacing, and variety · 2023

• positive
  The 19 cm row spacing with 2.1 million seed ha −1 produced the greatest yields in most years.
• positive
  The 19 cm row spacing with 3.1 million seed ha −1 produced the greatest yields in most years.

cites 12 papers herecited by 1 paper here

Wheat Variety-Specific Response to Seeding Rate Under Intensive Management Conditions in Western Kansas in 2021–2022 · 2023

• positive
  Grain yield was 56.9 to 58.2 bu/a at seeding rates of 600,000 to 1,000,000 seeds/a, higher than 49.3 to 55.0 bu/a at lower seeding rates.

  compared with lower seeding rates

• no effect
  Increasing seeding rates beyond 600,000 seeds/a led to numerical but not statistical increases in wheat yield.

  compared with 600,000 seeds/aNo difference from an alternative treatment

Influence of Sowing Pattern and Seed Rate on Plant Growth and Yield in Wheat · 2023

• positive
  Seed rate of 140 kg/ha increased seed yield by 7.75% versus 100 kg/ha.

  compared with 100 kg/ha seed rate

• positive
  Seed rate of 140 kg/ha increased number of spikes per m² by 1.53% versus 100 kg/ha.

  compared with 100 kg/ha seed rate

cites 3 papers here

EFFECT OF SEEDING RATE AND SEED SOAKING DURATION ON PRODUCTIVITY OF RELAY- INTERCROPPED WHEAT IN COTTON · 2023

• positive
  Wheat sown at 150 kg ha-1 with 12 h seed soaking gave significantly higher yield than all other combinations, except some 125 kg ha-1 and soaking combinations.

  compared with all other combinations

cites 1 paper here

Influence of Organic Manure and Spacing on Growth and Yield of Wheat · 2023

• positive
  Vermicompost at the stated spacing gave significantly higher Grains/spike.
• positive
  Vermicompost at the stated spacing gave significantly higher number of tillers/running row meter.
• positive
  Vermicompost at the stated spacing gave significantly higher number of effective tillers/running meter.

cites 1 paper here

Evaluation of wheat verities (Triticum aestivum L.) grown under different seeding rates and ethephon in desert conditions, south of Basrah, Iraq · 2023

• positive
  Increasing seeding rate improved grain yield for all wheat varieties.

cites 1 paper here

Growth, Yield and Economics of Wheat (Triticum aestivum L.) as Influenced by Different Seed Rates and Weed Control Methods · 2023

• positive
  The 120 kg seed rate plus herbicide mixture gave the highest B:C ratio of 1.73.
• positive
  The 120 kg seed rate plus herbicide mixture gave the highest net returns of Rs. 69036.

cites 1 paper herecited by 1 paper here

Performance of Seed Rate on Wheat Crop (Triticum aestivum L.) under Late Sown Condition · 2023

• positive
  The 140 kg/ha seed rate led to increased spike counts, longer spikes and more grains per spike.
• positive
  The 140 kg/ha seed rate led to heavier grains.
• positive
  Straw and biological yields followed the same trend, favouring the 140 kg/ha seed rate.

Enhancing wheat yield through optimized seed rates under in-situ rice residue management in rice-wheat system · 2023

• positive
  Under Happy seeder sowing, wheat variety HD 3086 had 10.0% significantly higher grain yield at 112.5 kg/ha seed rate than at 100 kg/ha.

  compared with 100 kg/ha

• positive
  For wheat variety Unnat PBW 550 sown with the Happy seeder, the highest grain yield was observed at a seed rate of 125 kg/ha.
• positive
  Under Happy seeder sowing, wheat variety PBW 725 had 10.6% significantly higher grain yield at 112.5 kg/ha seed rate than at 100 kg/ha.

  compared with 100 kg/ha

cites 4 papers here

Effect of N Rates and Seeding Rates on Agronomic Efficiency, Partial Factor Productivity, Grain Yield, and Grain Quality of Wheat under Irrigation in West Shewa, Ethiopia · 2023

• positive
  Seeding and nitrogen rates significantly affected grain yield and other measured parameters.

Effects of interaction of nitrogen level and sowing rate on yield, growth, and ecological field characteristics of winter wheat · 2023

• positive
  Optimal nitrogen and sowing combinations raised yield by 7.5% and 18.1% across the two seasons.

  compared with other treatments

Optimizing planting density and nitrogen application to mitigate yield loss and improve grain quality of late-sown wheat under rice–wheat rotation · 2024

• positive
  Increasing planting density improved kernel number and mitigated late-sowing yield loss.

cites 2 papers herecited by 4 papers here

Organic seed priming with curtailed seed rate compensated wheat grains productivity by upgrading anti-oxidant status against terminal drought at flowering and milking · 2024

• positive
  MLE30 priming with curtailed seed rate had a higher benefit cost ratio under mild and severe drought.
• positive
  MLE30 priming with curtailed seed rate had higher net income under mild and severe drought.

cites 1 paper here

Optimizing Seed Rate and Herbicide DosesWith or Without Adjuvant for Weed Controland Its Influence on Yield of Winter Wheat · 2024

• positive
  At the lower seed rate with H3, 1000-grain weight, spikelets, and grains per spike were greater.

cites 8 papers here

Effect of Nitrogen Fertilizer and Seed Rates on Growth, Yield and Yield Components of Bread Wheat in Jimma Zone South Western Ethiopia · 2024

• positive
  Optimizing plant density and nitrogen fertilizer improved wheat growth and yield components.

cites 3 papers here

Response of late-sown wheat (Triticum aestivum) to limited irrigation, seed rate and depth of sowing · 2024

• positive
  Seed rate of 125 kg/ha gave the highest 1,000-grain weight (47.80 g).
• positive
  Seed rate of 125 kg/ha gave the highest effective tillers/m2 (416.66).
• positive
  Seed rate of 125 kg/ha gave the highest grain weight/spike (2.06 g).
• positive
  Seed rate of 125 kg/ha gave the highest harvest index (0.496 and 0.456).
• positive
  Seed rate of 125 kg/ha gave the highest grains/ spike (40.20).
• positive
  Seed rate of 125 kg/ha gave the highest spike length (14.62 cm).
• positive
  Seed rate of 125 kg/ha gave the highest spikelets/spike (17.53).
• positive
  Seed rate of 125 kg/ha gave the highest grain yield (3.63 t/ha during 2015–16).

Combining wide seedling strip planting with a higher plant density results in greater yield gains in winter wheat · 2024

• positive
  Raising plant density from lower to higher increased grain yield of Taimai198 by 15.43%.

  compared with lower

• positive
  Raising plant density from lower to higher increased grain yield of Shannong30 by 13.13%.

  compared with lower

cites 2 papers herecited by 1 paper here

Impact of Seed Priming and Seed Rate on Productivity and Economic Profitability of Wheat (Triticum aestivum L.) · 2024

• positive
  Seed rate of 150 kg/ha gave a higher grain yield of 3959 kg ha-1 than 125 and 100 kg ha-1.

  compared with 125 and 100 kg ha-1 of seed rate

• positive
  Seed rate of 150 kg/ha gave a higher straw yield of 5095 kg ha-1 than 125 and 100 kg ha-1.

  compared with 125 and 100 kg ha-1 of seed rate

cited by 1 paper here

Cover Crop Species Selection, Seeding Rate, and Termination Timing Impacts on Semi-Arid Cotton Production · 2024

• positive
  The 68 kg ha-1 seeding rate gave greater herbage mass than the low seeding rate in only one of four years for both rye and wheat.

  compared with the low seeding rate

Optimizing Wheat Planting Density by Adjusting Population Structure and Stabilizing Stem Strength to Achieve High and Stable Yields · 2024

• positive
  The number of spikes per unit area increased significantly with increasing planting density.
• negative
  The number of grains per spike and 1000-grain weight decreased significantly with increasing planting density.

cites 2 papers herecited by 1 paper here

Identification of Potential Agronomic Practices for Wheat (Triticum Aestivuml.) Under Agro-Climatic Condition of District Nowshera, Pakistan · 2024

• positive
  At 130 kg ha-1 seed rate, maximum grain weight was 41.72 g.
• positive
  Maximum productive tillers occurred at 100 kg ha-1 seed rate.
• positive
  Seed rate improved wheat yield and its attributes.
• positive
  At 130 kg ha-1 seed rate, maximum grain yield was 3266 kg ha-1.
• positive
  Row spacing increased biological yield.
• positive
  Row spacing increased 1000 seed weight.

cites 4 papers here

Poplar based agroforestry system: Symmetry to maximize productivity and optimized nutrient acquisition in fodder sorghum–wheat rotation in semiarid region of Haryana · 2024

• positive
  Increasing poplar spacing increased sorghum and wheat yield, with the least yield at 3 m × 3 m and the highest at 8 m × 3 m.

  compared with 3 m × 3 m popular spacing

• negative
  Wheat grain yield was maximum under the control (sole crops) rather than under poplar spacing.

  compared with control

• negative
  Wheat straw yield was maximum under the control (sole crops) rather than under poplar spacing.

  compared with control

Effect of seed priming and seed rate on the performance of wheat (Triticum aestivum) · 2024

• positive
  The highest straw yield was 5694 kg/ha under calcium chloride priming at 150 kg/ha.
• positive
  Calcium chloride priming at 150 kg/ha maximized dry matter, 20% above dry surface seeding at 100 kg/ha.

  compared with dry seed surface seeding with 100 kg/ha seed rate

• positive
  The highest grain yield was 4662 kg/ha under calcium chloride priming at 150 kg/ha.
• positive
  The highest benefit to cost ratio was 3.09 with calcium chloride priming at 125 kg/ha.
• positive
  Calcium chloride priming at 150 kg/ha maximized tiller number, 7.27% above dry surface seeding at 100 kg/ha.

  compared with dry seed surface seeding with 100 kg/ha seed rate

Adaptation of spring soft wheat ( Triticum aestivum L.) to steppe and dry steppe growing conditions · 2024

• positive
  In the steppe zone, fertilized late sowing with higher seeding rates raises wheat yield by 16-21%

  compared with an average for all treatments

THE EFFECT OF SOWING DATES AND SEEDING RATES ON YIELD AND PHOTOSYNTHETIC ACTIVITY OF LEAVES OF SPRING WHEAT SEEDLINGS · 2024

• positive
  Higher seeding rates increased productivity by 0.4-1.2 cm2 relative to sparse crops.

  compared with sparse crops

THE INFLUENCE OF NEW GENERATION GROWTH REGULATORS ON THE YIELD OF WINTER WHEAT · 2024

• positive
  Winter wheat economic yield reached a maximum of 7.47 t/ha under joint application of Moddus with Anti-leaching at a seeding rate of 550 pcs/m2.

Impact of different priming and sowing techniques in combination with different seed rates on wheat growth and yield · 2024

• positive
  A 150 kg ha -1 seed rate gave the tallest plants, most tillers, longest spikes, most spikelets and grains, highest grain yield and harvest index.

cites 5 papers here

PRODUCTIVITY OF WINTER WHEAT DEPENDING ON PLANT DENSITY IN THE CONDITIONS OF THE FOREST-STEPPE ZONE OF THE NORTH OSSETIA-ALANIA · 2024

• positive
  Higher seeding rates significantly increased productivity of all three wheat varieties.

Effect of Tile Drain Spacing on Nitrate Losses, Heavy Clay Soil Properties and Wheat Crop Productivity in Egypt · 2024

• positive
  Narrow tile spacing promoted wheat yield and yield components compared with wider spacing.

  compared with wider spacings

The effect of agrotechnical methods on productivity of new winter wheat varieties on ordinary blackearth · 2024

• positive
  Moldboard plowing with the stated seeding and nutrition rates gave Bylina Dona the best productivity range.
• positive
  The same combination gave Akapella the best productivity range.

cited by 1 paper here

Increasing Planting Density with Reduced Topdressing Nitrogen Inputs Increased Nitrogen Use Efficiency and Improved Grain Quality While Maintaining Yields in Weak-Gluten Wheat · 2024

• positive
  The planting density of 300 × 104 plants ha−1 with 48.6 kg N ha−1 topdressing gave the highest nitrogen partial factor productivity, nitrogen use efficiency and grain accumulation of wheat.
• positive
  Increased planting density significantly increased wheat yield, highest at 180 × 104 plants ha−1.
• positive
  The planting density of 300 × 104 plants ha−1 with 48.6 kg N ha−1 topdressing gave the highest grain distribution ratio and grain yield of wheat.

Growth and yield components of bread wheat as affected by seed and nitrogen‐phosphorous fertilizer rates in Burie District, Northwestern Ethiopia · 2024

• positive
  A 150 kg ha −1 seed rate and 96–69 kg ha −1 NP fertilizer yielded the highest grain yield, 3.70 t ha −1.
• positive
  The same treatment gave the highest net benefit, $1355.60 ha −1, with an 8.98% marginal rate of return.

cites 4 papers herecited by 1 paper here

Wheat Crop Response to Varying Nitrogen and Seed Rates · 2024

• positive
  The optimum nitrogen and seed rate combination gave spikes length of 11.7 cm.
• positive
  The optimum nitrogen and seed rate combination gave 491 tillers per square metre.
• positive
  The optimum nitrogen and seed rate combination gave 450 spikes per square metre.
• positive
  Seed rates of 120-150 kg/ha enhanced tillers per square metre (398 and 338).
• positive
  Seed rates of 120-150 kg/ha enhanced spikes per square metre (382 and 413).

Effect of different planting densities on growth and yield of wheat in climatic conditions of Samangan. · 2024

• positive
  Increasing density significantly increased grain yield.
• positive
  Increasing density significantly increased harvest index.
• positive
  Increasing density significantly increased spikes per meter.

cites 3 papers here

Studies on Correlation and Path Coefficient Analysis for Yield and Yield Associated Traits in Wheat (Triticum aestivum L.) Genotypes · 2025

• positive
  Biological yield and spike number had their highest means at 2.5 cm row spacing.
• positive
  Grain yield was 0.615% greater than at 2.5 m row spacing.

  compared with 2.5

• positive
  Grain yield was 0.2373% greater than at 0.25 m row spacing.

  compared with 0.25 m row spaces

• positive
  Grain yield had its highest mean at 2.5 cm row spacing.

Optimal water, nitrogen, and density management increased wheat yield by improving population uniformity · 2025

• positive
  Increasing density, nitrogen and irrigation promoted grain yield.
• positive
  Optimal density, nitrogen and irrigation reduced ineffective tillers at flowering.
• positive
  Optimal density, nitrogen and irrigation increased upper and middle layer spike number.
• negative
  Increasing planting density decreased grains per spike.

cites 2 papers here

Can Increased Density Compensate for Extremely Late-Sown Wheat Yield? · 2025

• positive
  Increasing planting density compensated for the loss of harvested spikes under extremely late sowing compared with the control.

  compared with CK

cites 4 papers here

Comparative Analysis of Drilling and Dibbling Techniques for Wheat (Triticum aestivum L.) Varieties for Yield and Yield Components in Semi-Arid Conditions · 2025

• positive
  S3 dibbling produced 41.10 qh-1 grain yield and may have improved production versus drilling.

  compared with drilling method of planting

• positive
  S3 dibbling greatly boosted yield-forming components versus drilling.

  compared with drilling method of planting

Effect of Various Seed Rates and Row Spacings on Yield Response of Spring Wheat · 2025

• positive
  Seed rate 160 kg/ha gave the highest number of grains per spikelet, grains per spike and 1000-grain weight.
• positive
  160 kg/ha seed rate with 15 cm row spacing gave the highest grain yield, 3.33 t/ha.
• positive
  15 cm row spacing produced the highest plant height and number of spikes m-2.
• positive
  Seed rate 160 kg/ha gave the highest plant height, number of spikes m-2 and number of spikelets spike-1.
• positive
  Seed rate 160 kg/ha gave the highest grain yield, straw yield and biological yield.
• positive
  The highest grain yield (3.06 t/ha) was obtained with seed rate 160 kg/ha.
• positive
  15 cm row spacing produced the highest grain yield, 2.81 t/ha.
• no effect
  Row spacing had no significant effect on 1000-grain weight or harvest index.

EVALUATION OF DIFFERENT CONCENTRATIONS OF TARZEC AND AXIAL HERBICIDES AND SEEDING RATES ON WHEAT (TRITICUM AESTIVUM L.) GROWTH, YIELD, AND WEED CONTROL · 2025

• positive
  A seeding rate of 160 kg/ha gave the best grain yield in wheat, 578.73 and 516.06 g m-2 at the two locations.

Influence of Row Orientation and Planting Density on Some Growth Characteristics, Grain Yield and Quality Indices of Bread Wheat Cultivars · 2025

• positive
  A 120 kg ha −1 planting density significantly increased grain yield (5.207 tons ha −1) in bread wheat.
• positive
  An 80 kg ha −1 seeding rate significantly increased grains per spike (50.82 grain spike −1) in bread wheat.
• positive
  A 120 kg ha −1 planting density significantly increased number of spikes per square meter (347.20 spike m −2) in bread wheat.
• positive
  A 120 kg ha −1 planting density significantly increased tillers per square meter (433.39 tiller m −2) in bread wheat.

cites 2 papers here

Wide-narrow row planting and limited irrigation improve grain filling and spike traits in winter wheat in arid regions · 2025

• positive
  Wide–narrow row spacing increased spike allocation at maturity by 6.59%.

The effect of seeding date and rate on growth and productivity of wheat under the rice-wheat successive system · 2025

• positive
  Seed rate of 160 kg/ha gave the highest wheat grain yield, 2.5, in the first season.
• positive
  Seed rate of 160 kg/ha gave the highest wheat grain yield, 2.71, in the second season.

Effects of Seed Rates on Seed Quality and Seed Multiplication Factor of Bread Wheat (Triticum Aestivum L.) in Early Generation Seed Classes Under Rain-Fed Conditions in Amhara Region, Ethiopia · 2025

• positive
  Increasing the seed rate from 50 to 150 kg ha-1 increased seed yield from 2555.2 to 3235.2 kg ha-1.

  compared with from 50

Effect of seed rate and plant growth regulators on productivity and quality of Wheat (Triticum aestivum L.) under early sowing in North Western Plains Zone · 2025

• positive
  100 kg ha-1 seed rate improved yield attributes compared with other seed rates.

  compared with all other seed rate

• positive
  100 kg ha-1 seed rate improved yield compared with other seed rates.

  compared with all other seed rate

cites 1 paper here

Wheat Grain Yield Response to Seeding Rate in 2023-2024 · 2025

• positive
  At both sites, grain yield increased from the lowest seeding rate to 800,000 seeds per acre, then plateaued.

  compared with lowest seeding rate

Effect of integrated nutrient management on growth and yield of wheat (Triticum aestivum L.) under system of wheat intensification · 2025

• positive
  Integrated nutrient management and wider spacing improved effective tillers, spike length and grains per spike.
• positive
  Integrated nutrient management and wider spacing improved 1000-grain weight and harvest index.

Winter common wheat productivity depending on the seeding rate and the fractional composition of seeds · 2025

• positive
  Seeding rate of 3.0 million germ. seeds with fraction 2.4×20 mm gave the largest 1000-seed weight (47.5 g).
• positive
  Seed fraction 2.4×20 mm with the maximum seeding rate of 5.0 million germ. seeds gave the largest productivity (9.8 t/ha).
• negative
  Seeding rate of 5.0 million germ. seeds with fraction 2.6×20 mm gave the smallest 1000-seed weight (42.7).

cites 2 papers here

Productivity and economic benefits of winter wheat in Northwest China by optimizing irrigation and planting density · 2025

• positive
  Low planting density under reduced irrigation raised grain yield.
• positive
  Low planting density under reduced irrigation improved dry matter accumulation, SPAD and leaf area index.

cites 2 papers here

EFFECT OF SEEDING RATE AND NITROGEN FERTILIZER ON GRAIN YIELD AND ITS COMPONENTS OF MISR 3 BREAD WHEAT CULTIVAR UNDER TWO TILLAGE SYSTEMS · 2025

• positive
  Higher seeding rate improved spike density and grain yield, especially under ZT.

Enhancing wheat yield and quality through optimized weed control timing and seeding density · 2025

• positive
  A seed rate of 111 kg ha−1 with a weed-free period up to 75 DAS enhanced 1000-grain weight, grain yield and biological yield in wheat.
• positive
  A seed rate of 111 kg ha−1 with a weed-free period up to 75 DAS enhanced plant height, productive tillers and grains per spike in wheat.

cites 3 papers here

Tillage and residue management strategies enhance crop yields, soil health, and profitability in the rice-wheat system of Nepal’s Western Terai · 2025

• positive
  Wheat sustainable yield index was significantly higher with a higher seed rate.

cites 3 papers here

Effects of Optimising Sowing Date and Rate on the Wheat ( Triticum aestivum L.) Yield and Quality in North China Plain: A Meta‐Analysis and Proving Experiments · 2025

• positive
  A sowing rate of 201–300 kg/hm 2 raised wheat yield by 1.31%–13.16% under the stated conditions.

cites 3 papers here

Evaluating the Impact of Seed Rate and Sowing Dates on Wheat Productivity in Semi-Arid Environment · 2025

• positive
  For late December sowing, seed rates of 150 and 175 kg ha -1 gave higher wheat yield.

Balancing grain and fodder: A study of wheat varieties under variable inputs in semi-arid zone of Haryana, India · 2026

• positive
  C 306 maintained grain yield after cutting at 115% and 130% RDF with recommended seed rate.

Strategic Integration of Rice Residue Mulch, High Seeding Rates and Pre‐Emergence Herbicide Mixtures for Weed Management in Zero‐Till Wheat · 2026

• positive
  The integrated treatment improved wheat productivity.

  compared with weedy check, without mulch and lower seeding rate treatment combination

Regulatory Effects of Optimized Sowing Date and Seeding Rate on Yield Formation in Strong-Gluten Winter Wheat · 2026

• positive
  Increasing seeding rate under late sowing compensated for reduced spike number and mitigated yield losses.

Nitrogen and seeding rate optimization for bread wheat (Triticum aestivum L.) under irrigation in Metema and Belesa, Northwestern Ethiopia · 2026

• positive
  At Belesa, the main effects of 276 kg N·ha− 1 and 300 kg ha− 1 seed rate gave the highest grain yield, 3066 kg ha–1.
• positive
  At Belesa, 184 N kg ha− 1 with 300 kg ha− 1 seed rate gave the highest net benefit.
• positive
  At Belesa, 184 N kg ha− 1 with 225 kg ha− 1 seed rate ranked second for net benefit.
• positive
  At Metema, 184 N kg ha− 1 with 225 kg ha− 1 seed rate achieved the highest net benefit.
• positive
  At Metema, 184 N kg ha− 1 with 150 kg ha− 1 seed rate ranked second for net benefit.
• positive
  At Metema, 276 kg N ha–1 with 225 kg ha–1 seed rate gave the highest grain yield, 5178 kg ha− 1.
• negative
  The control plot with 150 kg ha–1 seed rate had the lowest grain yield, 1250 kg ha− 1, at Metema.
• negative
  At Belesa, 75 kg ha− 1 seed rate gave a grain yield of 1395 kg ha–1.

cites 5 papers here

Optimizing seed rate and NPSB fertilizer for enhanced yield and nutrient use efficiency of bread wheat (Triticum aestivum L.) in Kambeta Zone, Central Ethiopia · 2026

• positive
  Seed rate of 125 kg/ha with 150 kg/ha NPSB gave the highest grain yield, 5.2 t/ha.
• positive
  Seed rate of 125 kg/ha with 150 kg/ha NPSB significantly enhanced productive tillers, thousand-kernel weight and harvest index.

Manufacturing of a machine for intercropping cultivation on wide tied ridges to rainwater harvesting and resistance soil erosion in Northwest Coast – Egypt · 2026

• positive
  The optimal treatment increased net return by 180% relative to sole wheat.

  compared with sole wheat

• positive
  The optimal treatment raised overall productivity by 15% over sole cropping.

  compared with sole cropping

Wheat productivity response to preceding rice residue-retention and integrated weed management · 2026

• positive
  Narrow happy seeder spacing increased wheat grain yield.

  compared with HS row spacing of 20.0 and 22.5 cm

Response of Bread Wheat (Triticum aestivum L.) to Seeding Rate and Fertilizer Types on Yield and Yield Components in North Western Region of Ethiopia · 2026

• positive
  A 200 kg ha⁻¹ seeding rate with NPSB gave the highest wheat grain yield of 4166.7 kg ha⁻¹.
• positive
  The same treatment gave the maximum net benefit of ETB 51,683 ha⁻¹.
• positive
  Increasing seeding rate significantly increased wheat tiller number, biomass, and straw yield.
• no effect
  Seeding rate alone did not significantly affect wheat grain yield.

The Effect of Seed and Blended Fertilizer Rates on Crop Performance, Fertilizer Use Efficiency, and Economic Benefit of Bread Wheat in Western Ethiopia · 2026

• positive
  The 150 kg ha −1 seed by 200 kg ha −1 fertilizer interaction gave a higher net benefit, 41,343 ETB ha −1, than the other treatments

  compared with the other treatments

• positive
  The 150 kg ha −1 seed by 200 kg ha −1 fertilizer interaction gave higher biomass, grain and straw yields than the other treatments

  compared with the other treatments

• positive
  The 150 kg ha −1 seed by 150 kg ha −1 fertilizer interaction gave the highest marginal rate of return, 63976.0%

  compared with the other treatments

• positive
  The 150 kg ha −1 seed by 150 kg ha −1 fertilizer interaction gave higher tiller number and grain yield than the other treatments

  compared with the other treatments

• positive
  The 150 kg ha −1 seed by 150 kg ha −1 fertilizer interaction gave the highest net benefit, 42,182 ETB ha −1

  compared with the other treatments

cites 3 papers here

Narrow Row Spacing Improves Yield of Delayed-Sown Winter Wheat by Enhancing Pre-Winter Tiller Quality · 2026

• positive
  Narrow rows increased tiller occurrence.

cites 5 papers here

Effect of blended NPSB fertilizer and seeding rates on yield and yield components of bread Wheat (Triticum aestivum L.) in Banja District, Northwestern Ethiopia · 2026

• positive
  The 150 kg ha⁻ 1 seed and NPSB combination gave the highest grain yield and harvest index.
• positive
  That combination yielded the highest net benefit of 242,919 ETB ha⁻ 1.
• positive
  That combination had a 1148.7% marginal rate of return.