nitrogen · Growth · Oryza sativa (rice)

Availability of Ammoniacal Nitrogen to Lowland Rice as Influenced by Fertilizer Placement¹ · 1957

• positive
  Subsurface ammonium placement improved rice growth over surface broadcasting.

  compared with similar nitrogen applied on the soil surface (broadcast)

cited by 1 paper here

Influence of nitrogen content upon the various characters of two, types of rice varieties cultured in nutrient solution. · 1958

• positive
  Increasing nitrogen from 10 to 320 ppm increased root number and weight per rice plant.

A report on the after-affects of growth on the next generation in rice plants (Oryza sativa L.) cultivated under the continuous low nutritional condition. · 1959

• positive
  Nitrogen deficiency inhibited rice growth, with cumulative inhibition across generations.

  About lacking this nutrient, so it counts the other way round

Studies on the Acceleration of the Early Crowth of Upland Crops : I. Influences of the fertilizer and the soil moisture contents upon the early crowth of upland rice plants · 1960

• positive
  Nitrogen produced the greatest acceleration of early growth, followed by phosphorus and potassium.

  compared with phosphorus, pottasium

Analysis of Yield-Determining Process and Its Application to Yield Prediction and Culture Improvement of Lowland Rice. : LXI. Studies on the nitrogen top-dressing at full heading time. · 1962

• positive
  Nitrogen top-dressing at full heading increased rice dry matter after heading except under extremely unfavorable weather or dense spacing.

THE NITROGEN NUTRITION OF RICE(1) THE INFLUENCE OF SOIL NITROGEN SUPPLYING STATUS ON THE HARMONIOUS GROWTH OF THE ORGANS OF RICE PLANT · 1962

• positive
  Strong, less persistent nitrogen supply at tillering promoted leaf blade dry matter assimilation and enlarged leaf area.

Analysis of Yield-Determining Process and Its Application to Yield-Rrediction and Culture Improvement of Lowland Rice : LXXIX. An experiment of maximizing yield based on ideal plant types by using a circulating irrigation method applied with nitrate nitrogen · 1969

• positive
  Circulating nitrate irrigation supplied nitrogen to rice with little leaching.

Distribution of Photosynthate in Rice Plant : III. Effect of the time of application of nitrogen on the dry weight ratio of ear to shoot at maturity of rice plant · 1970

• positive
  Early nitrogen application increased rice total dry weight and straw weight more than late application at ear emergence and maturity.

  compared with late ones

Influence of Sewage Sludge and Nitrogen Fertilization on Growth, Nutrient Content and Heavy Metal Uptake by Rice Straw · 1970

• positive
  The 300 t/ha sludge plus 21 kg/ha nitrogen treatment gave the highest rice height, 97.33 cm per plant.
• positive
  Rice straw fresh and dry weight were significantly high under the highest-sludge treatment.

  compared with other treatments

The Role of Root System of Rice Plant in Relation to the Physiological and Morphological Characteristics of Aerial Parts : V. The effects of nitrogen level and placing position of the fertilizer on the chalacteristics of root and aerial parts · 1971

• positive
  Optimal basal nitrogen placed deep or throughout soil maintained high root activity.
• negative
  Greater basal nitrogen caused excessive tillering at maximum tiller stage.
• negative
  Higher basal nitrogen retarded new root development and elongation after transplanting.

Analysis of Yield-Determining Process and Its Application to Yield-Prediction and Culture Improvement of Lowland Rice : CIX. Effects of nitrogen top-dressing at full heading stage on lodging resistance, root activity, yield and kernel quality · 1972

• positive
  Increasing nitrogen top-dressing at full heading increased amount of dry matter accumulated after heading in lowland rice.

  compared with dose rate of nitrogen was raised in the range of 3-9 g/m2

Nitrogen nutrition of rice plants measured by growth and nutrient content in pot experiments. 3. Changes during growth. · 1972

• positive
  Restoring N supply to N-depleted rice produced an earlier renewal of growth with ammonium
• positive
  Ammonium nutrition gave a higher rate of tillering and leaf expansion in the first stage of exponential growth, initiating yield differences
• no effect
  Rice eventually regained the same rate of linear growth after N restoration with either form of N

  compared with nitrateNo difference from an alternative treatment

cited by 1 paper here

Studies on the nutrition of rice cell culture I. A simple, defined medium for rapid growth in suspension culture · 1973

• positive
  Rice cell growth was better with ammonium and nitrate together than with nitrate as the sole nitrogen source.

  compared with nitrate as the sole nitrogen source

Grain Yield, Milling Quality, and Seed Viability of Rice as Influenced by Time of Nitrogen Application and Time of Harvest¹ · 1973

• positive
  Split nitrogen application minimized lodging in some rice cultivars.

  compared with single basal application

Influence of Nutrient and Green Manure Applications on Nutrient Uptake and Yield of Rice · 1974

• positive
  Nitrogen increased root growth.

Effect of Fertilizer Doses and Varietal Variations on Soil Constituents, Nutrient Uptake and Yield of Rice Varieties · 1977

• positive
  Growth characters increased with nitrogen dose except grains per ear and 1000-grain weight.

Development of the Rice Panicle : II. Influences of nitrogen supply at heading on the pattern of accumulating of dry matter and nitrogen in the caryopses at different positions on panicle. · 1979

• positive
  Nitrogen supply at heading markedly increased dry matter accumulation rate in all caryopses.

  compared with the control

Response of Inga rice to application of nitrogen fertilizer at varying growth stages · 1984

• positive
  100 kg N/ha at permanent flood greatly increased vegetative growth in 1979.

Characteristics of Dry Matter and Grain Production of Rice Cultivars in the Warmer Part of Japan : IV. Comparison between grain production of Japanese and new Korean cultivars · 1984

• positive
  Heavy nitrogen application increased leaf area in all tested cultivars.

cited by 1 paper here

Studies on Nitrogen Metabolism in Crop Plants : XVIII. Utilization of nitrogen fertilizer on leaf area growth, protein synthesis and sink formation in the rice plant · 1984

• positive
  Nitrogen top-dressing before leaf emergence promoted growth of individual rice leaf blades.
• positive
  Nitrogen top-dressing increased leaf area growth more in Kamenoo than in Hatsukaori.

  compared with latter one

• positive
  Nitrogen top-dressing from tillering to branch differentiation markedly increased rice leaf area growth.

The relation between some growth parameters and yield components of rice as influenced by nitrogen level and genotype · 1985

• positive
  Nitrogen addition increased dry weights of leaf and culm plus sheath at maximum tillering, anthesis and harvest.
• positive
  Nitrogen addition increased plant height and leaf number on the main culm of rice.
• positive
  Nitrogen addition increased leaf and culm plus sheath dry weights until anthesis in all varieties.

Effect of organic acids on the growth of rice and wheat seedlings supplied with ammonium and nitrate. · 1985

• positive
  Ammonium enhanced rice top growth but inhibited seminal and crown root growth.
• positive
  Organic acid plus ammonium especially enhanced rice crown root growth.
• positive
  Nitrate accelerated rice top, seminal root and crown root growth.
• negative
  Ammonium inhibited rice seminal and crown root growth.
• no effect
  Organic acid plus ammonium or nitrate did not affect rice top growth.

Effects of Nitrate and Ammonium Nitrogen Sources on the Seedling Growth and Root Phosphoenolpyruvate Carboxylase Activity of Different Crop Species · 1987

• positive
  Shoots of rice and wheat gained more fresh weight with ammonium N.

Paddy (IR 60) Root Behaviour in Submerged Rice Fields as Influenced by Zinc Sources · 1990

• positive
  Zincated urea produced higher root density than zincated suphala.

  compared with 2incated suphala

Nutritional Stresses and Varietal Resistance in Rice: Effects on Whitebacked Planthopper · 1991

• positive
  Deficiency of N, P or K significantly reduced growth of rice plants.

  About lacking this nutrient, so it counts the other way round

NURSERY MANURING AND ITS EFFECT ON SEEDLING GROWTH AND YIELD OF RICE · 1991

• positive
  Urea plus super phosphate significantly influenced rice seedling root and shoot length.

Effect of preceding crops on growth, nitogen concentration and uptake in rice (Oryza sativa) · 1994

• positive
  More nitrogen increased plant height, dry matter, leaf-area index and nutrient uptake.

EFFECT OF N-LEVEL AND ITS TIME OF APPLICATION ON GROWTH CHARACTERS OF SOME RICE VARIETIES · 1994

• positive
  Nitrogen up to 60 kg N/fed. split between dry soil and 20 days after transplanting significantly increased most growth characters.

The decrease in polyamine levels is not associated with growth inhibition in suspension-cultured rice cells under nitrogen deficiency · 1995

• positive
  Nitrogen deficiency markedly inhibited growth of suspension-cultured rice cells relative to nitrogen-supplied control cultures.

  compared with control culture supplied with nitrogenAbout lacking this nutrient, so it counts the other way round

Efficacy of neem derivatives as rice seedling root-dip against green leaf hopper, Nephotettix virescens (Distant) under greenhouse conditions · 1995

• positive
  NCE 10% plus urea yielded a growth index of 0.76.
• positive
  NSKE 5% plus urea yielded a 1.14 growth index.

Effects of Nitrogen Fertilization Rate at Different Nursery Soils on Seedling Characters and Endosperm Consumption in Rice Seedling · 1996

• positive
  Higher nitrogen increased seedling height in hill soil.
• negative
  Higher nitrogen reduced emergence and establishment rates.
• no effect
  Leaf number did not differ significantly between nursery soils or nitrogen levels after six days.

  compared with nusery soils

• negative
  Establishment was below 90% above 2g/box in hill soil.

Effect of nursery applications of N and P on rice (Oryza sativa) yield · 1997

• positive
  Nursery N increased rice root dry matter.
• positive
  Nursery N increased rice seedling shoot dry matter by 50% at 21 days relative to unfertilized seedlings.

  compared with unfertilized

Effect of nitrogen application during ripening period on photosynthesis and dry matter production and its impact on yield and yield components of semidwarf iniica rice varieties under water culture conditions · 1997

• positive
  N application maintained a higher leaf area and delayed leaf senescence in indica and japonica rice.

cites 1 paper herecited by 1 paper here

Relation Between Axillary Bud Growth and Matter Accumulation of Stem-Sheath After Heading of Main Crop in Hybrid Rice · 1997

• positive
  Nitrogen application accelerated axillary bud growth after about 20 days.

Seed nitrogen accelerates the rates of germination, emergence, and establishment of rice plants · 1998

• positive
  High-nitrogen rice seeds emerged faster than low-nitrogen seeds.

  compared with low nitrogen content

• positive
  High-nitrogen rice seeds germinated more uniformly than low-nitrogen seeds.

  compared with low nitrogen content

• positive
  Increasing rice seed nitrogen content made emergence more uniform.

Effect of cyanobacterial inoculation and fertilizers on rice seedlings and postharvest soil structure · 1999

• positive
  Nostoc muscorum with urea produced the longest rice shoots and exceeded either cyanobacterium alone.

  compared with each Cyanobacteria alone

Studies of physiological and biochemical bases of Lanthanum on increasing seed vigor of rice · 1999

• positive
  Lanthanum nitrate accelerated rice germination and increased seed vigor.

Studies on the cultural technique of scattered transplanting rice for ric e wheat cropping system: II Nitrogen quantity and its distribute · 1999

• positive
  RGR and CGR were higher with middle nitrogen and early, middle and late fertilizer application.
• positive
  NAR was higher under low nitrogen.

Effect of N and P on the root system architecture in upland rice · 1999

• positive
  Nitrogen increased shoot dry weight when P was applied.
• positive
  Nitrogen enhanced nodal-root elongation in most main-tiller internodes of UPLRi-5.
• positive
  Nitrogen increased root dry weight when P was applied.
• positive
  Nitrogen enhanced tillering.

Effect of Nitrogen Split Application Methods on Development of Vascular Bundle and Yield Components of Rice Cultivars · 2000

• positive
  Split nitrogen application at the necknode differentiation stage increased the number and size of vascular bundles.

Effects of Nitrogen Application on the Development and Accumulation of Protein Bodies in Developing Rice Seed · 2000

• positive
  Nitrogen application enhanced rice mitochondrial development.

Characteristics of root growth and water uptake from soil in upland rice and maize under water stress · 2000

• positive
  Under mild water stress, medium N application increased total root length of upland rice compared with no N.

  compared with no-N treatment

cited by 1 paper here

Identification of Nutrients Limiting Rice Growth in Soils of Northeast Thailand under Water-Limiting and Non-Limiting Conditions · 2000

• positive
  Low nitrogen supply had a greater effect on rice growth later in growth.

  About lacking this nutrient, so it counts the other way round

cited by 1 paper here

Effect of organic manure, biofertilizers, inorganic nitrogen and zinc on growth and yield of rabi rice (Oryza sativa L.) · 2000

• positive
  The highest nitrogen plus zinc rate gave significantly higher rice growth attributes, comparable to the intermediate rate plus zinc.

  compared with 150 kg N ha-1+25 kg ZnSO, ha-1

Effect of nitrogen applications on dry matter and nitrogen partitioning in rice and nitrogen fertilizer requirements for rice production · 2000

• positive
  Higher nitrogen application increased leaf dry matter partitioning at the vegetative stage.

Effects of Nitrogen Application of the Development and Accumulation of Protein Bodies in Developing Rice Seed · 2000

• positive
  Nitrogen application enhanced mitochondrial and rough endoplasmic reticulum development.

PRODUCTIVITY OF GIZA 177 RICE VARIETY GROWN AFTER DIFFERENT WINTER CROPS AND FERTILIZED WITH DIFFERENT NITROGEN LEVELS · 2000

• positive
  Increasing nitrogen up to 144 kg/ha significantly increased rice plant height, panicle length and plant biomass regardless of the preceding crop.

Influence of integrated use of fertilizers and manures on SRI grown rice (Oryza sativa) and their residual effect on succeeding wheat (Triticum aestivum) in calcareous soil · 2001

• positive
  Poultry manure at 50% RDN yielded a maximum rice leaf-area index of 5.04.

  compared with its lower dose and no organic treatments

• positive
  Poultry manure at 50% RDN produced maximum rice height, LAI, panicles, grains per panicle, and grain and straw yields.

  compared with its lower dose and no organic treatments

Response of rice (Oryza sativa) varieties to graded levels of nitrogen under aerobic culture · 2001

• positive
  Plant height, leaf area index and root volume were highest with Vasundhara and 120 kg N/ha.

Coating of prilled urea with neem (Azadirachta indica) for efficient nitrogen use in lowland transplanted rice (Oryza sativa) · 2001

• positive
  neem oil emulsion-coated urea improved rice growth relative to commercial prilled urea.

  compared with commercial prilled urea

• positive
  Each successive N level significantly increased growth parameters in rice.

  compared with its preceding level

• positive
  Neem cake-coated urea improved rice growth relative to commercial prilled urea.

  compared with commercial prilled urea

cited by 2 papers here

Research on the Culture Characters and the Practices of Dryland-raised Long-age Seedlings Associated with Scattered-planting in Rice · 2001

• positive
  Increasing middle and late N application and scattering density could increase N,P,K absorption and dry matter accumulation.
• positive
  Increasing middle and late N application and scattering density could increase leaf area index.

EFFECTS OF NITROGEN FERTILIZER APPLIED AT DIFFERENT GROWTH STAGES ON ROOT GROWTH AND GRAIN YIELD OF YANGDAO 6 ( ORYZA SATIVA L.) · 2001

• positive
  Basal nitrogen and top dressing at tillering stage increased adventitious root number, total root length and root dry weight per plant of Yangdao 6.
• positive
  A low rate of N application increased adventitious root number, total root length and root dry weight per plant, regardless of application timing.

EFFECTS OF N APPLICATION DATE ON HULL GROWTH AND ITS DEVELOPMENT ON DIFFERENT POSITIONS OF THE PANICLE · 2001

• positive
  Tiller-promoting nitrogen produced larger hull size than no fertilizer.

  compared with no fertilizer

• negative
  Spikelet-promoting nitrogen reduced hull size.

Effect of different N-level on plant senesecence and grain yield of rice varieties with different panicle types · 2001

• positive
  Application of N-fertilizer kept higher leaf area during grain filling.

Effect of irrigation and nitrogen management on rice (Oryza sativa) under system of rice intensification and its residual effect on lentil (Lens culinaris) · 2001

• positive
  RDN+BGA gave a markedly higher leaf-area index of rice (4.78) than other nitrogen management practices.

  compared with other nitrogen management practices

Amelioration of the Salt-stressed Root Growth of Rice and Normalization of the Na⁺Distribution between the Shoot and Root by (S)-α-Methylbenzyl-2-fluoro-4-methylphenylurea · 2002

• positive
  S-FM addition ameliorated rice root growth in saline medium.

  compared with saline medium

Relationship between Apical Dome Diameter at Panicle Initiation and the Size of Panicle Components in Rice Grown under Different Nitrogen Conditions during the Vegetative Stage · 2002

• positive
  Nitrogen increased apical dome base diameter in Akenohoshi.
• no effect
  Nitrogen treatment did not affect apical dome height.
• no effect
  Nitrogen did not change apical dome base diameter in Nipponbare.

cited by 1 paper here

Relationship between tillering and leaf area index: quantifying critical leaf area index for tillering in rice · 2002

• positive
  High N input significantly increased critical LAI.

cited by 1 paper here

Effects of different NH_4~+-N/NO_3~--N ratios on water use efficiency and its biological characteristics of rice at early stage · 2002

• positive
  Root fresh weight, root growth rate and root water content increased as the ammonium/nitrate ratio decreased.

Growth and adaptive changes of rice (Oryza sativa L.) root architecture in response to nitrogen supply · 2002

• positive
  Moderate and high nitrogen supplied to half the roots induced rice root growth and development.
• negative
  Excessive nitrogen inhibited rice root growth.

Effects of Nitrate on the Growth of Lateral Root and Nitrogen Absorption in Rice · 2002

• positive
  Localized nitrate supply stimulated lateral root growth.

RICE BLAST INFECTION AS AFFECTED BY NITROGEN, PHOSPHORUS, POTASSIUM AND ZINC FERTILIZERS APPLICATION SOLELY OR INCOMBINATIONS ON GIZA 176 IN EGYPT. · 2002

• positive
  Increasing nitrogen rates raised leaf area.

Differential Competitive Ability of Rice Cultivars against Barnyard Grass in Dry Direct-seeded Rice · 2002

• positive
  Increasing nitrogen application increased rice plant height and fresh weight.

GROWTH, YIELD AND YIELD COMPONENTS OF RICE (ORYZA SATIVA L.) AS INFLUENCED BY NITROGEN FERTILIZER PLACEMENT METHOD AND PLANTING PATTERN AT KADAWA, NIGERIA · 2003

• positive
  Deep nitrogen placement significantly increased rice crop growth rate, flowering time and plant height.

  compared with surface

Effects of N-Application Rate on Yield, Quality and Characters of Nitrogen Uptake of Hybrid Rice Variety Liangyoupeijiu · 2003

• positive
  biomass accumulation increased with N application rate.

cited by 1 paper here

Effect of Nitrogen-fixing Bacteria on PEPC Transgenic Rice ( Oryza sativa L. ) · 2003

• positive
  Bacterial inoculation increased plant dry matter by 38.08%.

Effects of different levels of Nitrogen on Root Morphological Characteristics and Activities in Japonica Rice · 2003

• positive
  During the jointing stage, high nitrogen contributed to root growth.
• no effect
  At early stage, different nitrogen levels showed no obvious difference in root number, max length, volume, dry weight and activity of japonica rice.

Effect of stubble management with biological inoculants on the growth and yield of rice (Oryza sativa L.) in rice-based cropping systems · 2004

• positive
  Trichoderma viride inoculation with 120 kg N ha -1 produced taller rice plants, higher LAI and dry matter, more productive tillers, longer panicles with more filled grains, and higher grain yield.

PHYSIOLOGICAL PERFORMANCE OF RICE PLANTS AS AFFECTED BY DIFFERENT LEVELS OF COPPER AND NITROGEN FERTILIZERS · 2004

• positive
  Soil nitrogen significantly increased studied growth characteristics.

Ammonium and Nitrate Uptake and Utilization Efficiency of Rice varieties as Affected by Different N-Concentrations · 2005

• positive
  The same mixture gave maximum plant dry weight.

Yield Response to Urea and Controlled-Release Urea as Affected by Water Supply in Tropical Upland Rice · 2005

• positive
  Nitrogen application increased root length through depths below 45 cm.

cited by 1 paper here

Effect of Nitrogen Application on Yield Formation of Machine Transplanted Rice · 2005

• positive
  Leaf area index improved during elongation, full heading and maturation.

Effects of free-air CO2 enrichment on root morphology of rice · 2005

• positive
  At low nitrogen, root length, tip number and surface increased.
• positive
  At normal nitrogen, root width and adventitious root number increased.

cited by 2 papers here

Effects of Amount of N-fertilizer on Yield Constitution and Dry Matter Accumulation of Hybrid Rice · 2005

• positive
  The proportion of the accumulation of dry matter in total dry weight increased with the increase of ATNF during transplanting to jointing and jointing to heading stage.
• positive
  The amount of the accumulation of dry matter increased with the increase of ATNF during jointing and heading stage
• negative
  it would decline if going on adding the ATNF during maturing stage

Effects of nitrogen fertilizer rates on some physiological characteristics of ratoon rice · 2005

• positive
  The optimum nitrogen rate enhanced root activity.

Nitrogen management on crop growth and yield of puddled wet seeded lowland rice · 2005

• positive
  Five equal nitrogen splits promoted LAI, LAD and CGR.
• positive
  Five equal nitrogen splits promoted RGR.

Nitrogen fertiliser alleviates the disorder straighthead in Australian rice · 2006

• positive
  250 kg N/ha applied pre-flood improved rice plant growth and vigour.

Effects of nitrogen forms and water stress on photosynthesis and water use efficiency of rice at seeding-tillering stage · 2006

• positive
  Under water stress, the biomass of rice under sole ammonium supply was 5.76% and 484.01% higher than under the other two treatments

  compared with the other two treatments

Effects of Different Nitrogen Supply Forms on Drought Resistance of Paddy Plants · 2006

• positive
  Ammonium nutrition improved the growth of paddy plants under water stress compared with the other two nitrogen forms.

  compared with other two nitrogen forms

Effects of nitrogen nutrition on growth and antioxidant capability of rice under drought stress · 2006

• positive
  Suitable N supply restrained rice shoot and root growth less than high or no N under drought.

  compared with high N or no N

Effect of Free-Air CO_2 Enrichment(FACE) on Root Growth of C_3 Crop(Rice,Oryza sativa) and C_4 Weed(Barnyardgrass,Echinochloa crusgalli). · 2006

• positive
  Under normal nitrogen, FACE significantly increased rice root diameter.
• positive
  Under normal nitrogen, FACE significantly increased rice root biomass, volume and length.
• no effect
  At low nitrogen, FACE did not significantly promote rice growth because of nitrogen stress.

cited by 2 papers here

Effects of different nitrogen form and water stress on growth and water uptake of rice · 2006

• positive
  Mixed nitrate and ammonium supply gave higher rice dry weight than sole nitrate or sole ammonium, with and without water stress.

  compared with the other two treatments

Effects of different nitrogen nutrition on the growth and autioxidant characteristics of rice (Oryza sativa L.) stressed by drought · 2006

• positive
  Organic nitrogen increased foliar dehydration resistance and shoot dry weight relative to no or inorganic nitrogen.

  compared with no nitrogen or inorganic nitrogen

Effects of tillage patterns and nitrogen application levels on population quality and yield of cast transplanting rice · 2006

• positive
  Increasing nitrogen increased root activity.

Influence of single basal application controlled-release fertilizer on morphologic development of root system and lodging resistance of rice · 2006

• positive
  increased root dry weight by 26.56%—35.24% and 17.99%—37.35% respectively compared to 4 split application of Nongke rice-specific fertilizer(SNRSF)

  compared with 4 split application of Nongke rice-specific fertilizer(SNRSF)

• positive
  14.57%—23.24% and 7.52%—24.34% respectively compared with single application of rice-specific fertilizer BNRSF

  compared with single application of rice-specific fertilizer BNRSF

• positive
  3.99%—26.54% and 9.40%—16.40% compared to BNRSF,respectively

  compared with BNRSF

• positive
  BNCRF and BRCU increased root volume by 13.94%—41.77% and 19.02%—30.42% compared to SNRSF

  compared with SNRSF

• positive
  the proportion of deep root distribution,root depth index and diameter of basal stem in BNCRF and BRCU treatment are much higher

  compared with SNRSF

Response of Rice Cultivars to Rates of Nitrogen and Potassium Application in Field and Pot Conditions · 2007

• positive
  Simultaneous N and K application increased plant height, flag leaf length and shoot dry matter of rice in pot conditions.
• positive
  N application increased plant height, flag leaf length and total and shoot dry matter of rice in field conditions.
• positive
  N application significantly increased plant height, flag leaf width and total and shoot dry matter of rice in pot conditions.

cited by 2 papers here

Effect of amount of spike nitrogen application on growth and droop of flag leave in rice · 2007

• positive
  Flag leaf width rose as spike nitrogen increased.
• positive
  Flag leaf length rose as spike nitrogen increased.

Inoculation effects of Azotobacter and Azospirillum on N2-fixation and its transformations in wetland rice soil · 2007

• positive
  Azotobacter and Azospirillum inoculation with nitrogen fertilizer stimulated rhizosphere nitrogen-fixing bacterial growth and activity.

Characteristics of Growth,Development and Nutrient Uptake in Rice under Site-Specific Nitrogen Management · 2007

• positive
  SSNM increased leaf area index and root weight after heading compared with FFP.

  compared with FFP

• positive
  SSNM increased efficient and high efficient LAI rates at heading.

Nitrogen uptake,utilization and rice yield in the north rimland of double-cropping rice region as affected by different nitrogen management strategies · 2007

• positive
  Postponing nitrogen increased rice LAI and effective leaf area percentage.

Optimization of Transformation Mediated by Agrobacterium tumefaciens in Indica Rice · 2007

• positive
  A higher ratio of nitrate nitrogen to ammonium nitrogen was beneficial to indica rice callus induction

Effects of Nitrogen Application on Root Growth and Correlation of Root Traits to N Accumulation in Plants at Maturity in Liangyou Peijiu · 2007

• positive
  Early and greater nitrogen application significantly increased adventitious root number.

Effect of partial replacement of NH_4~+ by NO_3~- on nitrate reductase activity and their genetic expression patterns in rice · 2007

• positive
  Both rice cultivars grown with mixed N supply achieved a maximum biomass.

Effect of Sulfur-Coated Urea on Growth and Nitrogen Use Efficiency of Rice · 2007

• positive
  Sulfur-coated urea significantly improved rice growth at tillering, less than urea.

  compared with urea

Nitrogen and potassium application on hybrid rice · 2007

• positive
  tillering number increased with N and K fertilizer rate.
• positive
  dry weight of the leaves increased with N and K fertilizer rate.

Effect of elevated nitrogen levels on endogenous gibberellin and jasmonic acid contents of three rice (Oryza sativa L.) cultivars · 2008

• positive
  The first nitrogen rate enhanced rice height and dry weight, with no further gain at the highest rate.

  compared with highest rate

cited by 1 paper here

Effects of Nitrogen Levels, Nitrogen Sources and Zinc Rates on the Growth and Mineral Composition of Lowland Rice · 2008

• positive
  N and Zn generally increased leaf area.
• positive
  SCU significantly increased shoot growth.

EFFECT OF NITROGEN AND SILICON NUTRITION ON BIOACTIVE GIBBERELLIN AND GROWTH OF RICE UNDER FIELD CONDITIONS · 2008

• positive
  Combined nitrogen and silicon application enhanced growth parameters in both rice cultivars.
• positive
  Combined nitrogen and silicon application reduced lodging index in both rice cultivars.

Effects of Nitrogen Level and Seeding Density on Seeding Quality of indica-Type Super-High Yielding Hybrid Rice · 2008

• positive
  Nitrogen application increased dry weight and N content of rice seedlings.
• positive
  Nitrogen application promoted the emergence of new tillers, the maintenance of tillers with more than three leaves, and LAI in the seedling nursery.

Effect of different nitrogen fertilization level on rice growth and yield under no-tillage and scattered-planting farming · 2008

• positive
  At 150.0 kg N/hm2, rice plants had better growth.

Effects of nitrogen,potassium and silicon fertilizer on growth and resistance of rice seedlings against Magnaporthe grisea (rice blast disease) · 2008

• positive
  Nitrogen fertilizer improved leaf length and width in three rice varieties.

Effects of Nitrogen Fertilizer on Rice Seedling Growth and Caryopsis Development and Grain Quality · 2008

• positive
  More nitrogen at tillering increased rice seedling fresh and dry weights, node numbers and heights.

cited by 1 paper here

Effects of Different Nitrogen Applications on the Differentiation and Retrogression of the Branch and Spikelet in Ganxin688 · 2008

• positive
  Nitrogen treatments increased surviving primary branches, secondary branches and spikelets of primary branches in rice.
• positive
  Nitrogen treatments increased differentiated primary branches, secondary branches and spikelets in rice.
• positive
  Nitrogen treatments increased surviving spikelets of secondary branches and total surviving spikelets in rice.
• positive
  Nitrogen treatments decreased the percentages of retrograded primary branches, secondary branches and spikelets in rice.
• positive
  Nitrogen treatments decreased retrograded primary branches, secondary branches and spikelets in rice.

Effect of Nitrate on Activities and Transcript Levels of Nitrate Reductase and Glutamine Synthetase in Rice · 2008

• positive
  Both rice cultivars achieved greater biomass and higher total N concentration with a mixed N supply than with sole NH4+ nutrition.

  compared with sole NH+ 4nutrition

Effects of Planting Time and Nitrogen Application on Dry Matter Yield of the Forage Rice Cultivar Tachiaoba in Southwestern Japan · 2009

• positive
  22.5 g N m-2 produced higher dry matter yield than 15.0 g N m-2.

  compared with 15.0 g N m-2

• positive
  Early weighted nitrogen method 1 had the highest dry matter yield, followed by methods 2 and 3.

  compared with methods 2

• negative
  22.5 g N m-2 slightly reduced dry weight per tiller.

  compared with 15.0 g N m-2

cited by 1 paper here

Rice Resistance to Brown Spot Mediated by Nitrogen and Potassium · 2009

• positive
  SPAD index values increased as soil N and K rates increased, for both non-inoculated and inoculated plants.
• positive
  Plant dry weight increased as soil N and K rates increased, for both non-inoculated and inoculated plants.

Alleviating soil sickness caused by aerobic monocropping: Responses of aerobic rice to various nitrogen sources · 2009

• positive
  Growth of aerobic rice in aerobic soil was better with ammonium-N than with nitrate-N.

  compared with nitrate-N

cites 1 paper herecited by 3 papers here

Assessing the Necessity of Surface‐Applied Preplant Nitrogen Fertilizer in Rice Systems · 2009

• positive
  Surface nitrogen increased early season plant biomass compared with all subsurface nitrogen.

  compared with all of the fertilizer‐N was applied subsurface

cites 1 paper here

Effects of Nitrogen Stress on Proton-Pumping and Nitrogen Metabolism in Rice · 2009

• positive
  Nitrogen suppression increased root growth in Caiapó rice.

Improvement in nitrogen availability, nitrogen uptake and growth of aerobic rice following soil acidification · 2009

• positive
  N application improved plant growth more than acidification.

  compared with soil acidification

cites 1 paper herecited by 3 papers here

Effects of Applying Silicon Fertilizer on Economic Characters of Rice under High Nitrogen Level · 2009

• positive
  Silicon fertilizer enhanced rice lodging resistance under high nitrogen.

Effects of Nitrogen Strategies on Dry Matter Accumulation,Transformation and Distribution of Broadcasted Rice among High Standing-stubbles under No-tillage Condition · 2009

• positive
  Increasing nitrogen amount increased rice dry matter accumulation at every growth stage.
• positive
  Increasing nitrogen amount improved daily dry matter weight in rice.

Dynamic models simulating root length and growth characteristics of rice · 2009

• positive
  Balanced nitrogen, phosphorus and potassium fertilization increased the rice root growth constant by 57.2% versus no fertilization.

  compared with no fertilization

cited by 1 paper here

EFFECT OF SPLIT APPLICATION OF NITROGEN AND POTASSIUM TO SK2047 HYBRID RICE · 2009

• positive
  Three equal nitrogen splits were superior for dry matter, flag leaf area and leaf area index.

Effect of Nitrogen and 6-BA on Development of Tillering Bud and Its Physiological Mechanism · 2009

• positive
  Nitrogen promoted rice tillering bud germination.
• positive
  Nitrogen promoted rice tillering bud outgrowth.

Effect of different N application modes in the first cropping rice on the physiobiochemistry of the first cropping rice and its ratoon rice · 2009

• positive
  Nitrogen supply enhanced root activity.
• positive
  Good nitrogen application enhanced root activity, especially at booting.

Fertilizer-Nitrogen Use Efficiency and Its Physiological Mechanism under Site-Specific Nitrogen Management in Rice · 2009

• positive
  From panicle initiation, root weight and root activity were higher under SSNM than under FFP.

  compared with FFP

水稲による施用ケイ酸の吸収と窒素施用量の関係 · 2009

• positive
  Higher nitrogen application rates significantly improved rice plant dry weight regardless of silica treatment.

Effects of amino acid-N sources on rice seedling growth under sterilized culture conditions. · 2010

• positive
  Glutamic acid nitrogen below 6 mmol N/L increased rice biomass and total nitrogen content.
• positive
  Glutamic acid nitrogen below 6 mmol N/L improved seedling root, leaf and height growth.

Effect of Applied Nitrogen on Photosynthesis and Yield Parameters of Various Rice Cultivars · 2010

• positive
  At 100 kg N ha−1, total dry matter increased significantly over control by 36.8.

  compared with control

• positive
  At 100 kg N ha−1, leaf area index increased significantly over control by 46.2.

  compared with control

Performance of rice as influenced by n fertilizer and differential incorporation of sunnhemp green manure · 2010

• positive
  Application of 180 kg N/ha gave rice dry matter of 1233 g/m2.

Effects of Nitrogen Application Rates on Translocation of Dry Matter and Utilization of Nitrogen in Rice and Wheat · 2010

• positive
  Rice dry matter at anthesis increased with nitrogen rate.
• negative
  Rice preflowering dry matter translocation contribution decreased as nitrogen rate increased.

Quantitative Analysis on Root Morphological Characteristics Based on Image Analysis Method in Rice · 2010

• positive
  Increasing nitrogen rate accelerated the growth of rice roots.
• positive
  Increasing nitrogen rate enhanced the proportion of adventitious roots.

Effects of Combined Application of N,P,K on Nutrient Uptake and Distribution of Rice · 2010

• positive
  NPK increased brown rice dry mass by 1 343 kg/hm2 versus CK.

  compared with CK(without fertilizer)

VALIDATION OF NITROGEN RECOMMENDATIONS FOR POPULAR RICE (Oryza sativa L.) VARIETIES OF COASTAL ANDHRA PRADESH · 2010

• positive
  Increasing N from 120 to 240 kg ha significantly improved growth parameters.

  compared with 120

Root Physiological and Morphological Characteristics of Two Rice Cultivars with Different Nitrogen-Use Efficiency · 2010

• positive
  Nitrogen accumulation, root dry weight, root length and surface area rose with nitrogen application.

Effects of Different Cultivation Patterns on the Yield and Physiological Characteristics in Mid-Season Japonica Rice · 2010

• positive
  HHC significantly increased root and shoot biomass.

  compared with control

Effects of different dosages of controlled-N releasing fertilizer on agronomic traits and yield in rice · 2011

• positive
  Nitrogen fertilization increased plant height of early rice by 16.07% relative to the no-nitrogen treatment.

  compared with nitrogen less fertilizer(N0)

Pathway Clustering of the Up-regulated Genes in the Stimulated Rice Seedlings that Germinating from the Seeds Implanted by the Low-Energy Nitrogen Ion · 2011

• positive
  Nitrogen ion implantation at 6×1017 N+/cm2 increased rice seedling vigor index.

Pathway Analysis of the Restrictedly Expressed Genes in Oryza Sativa Implanted by the Low-Energy Nitrogen Ion · 2011

• positive
  Low-dose nitrogen ion implantation promoted rice seedling vigor index.

Effects of Nitrogen Application and Planting Density on Morphological Traits, Dry Matter Production and Yield of Large Grain Type Rice Variety Bekoaoba and Strategies for Super High-Yielding Rice in the Tohoku Region of Japan · 2011

• positive
  High nitrogen application increased top dry weight at full heading only slightly compared with standard nitrogen in rice.

  compared with standard nitrogen application (SN)

• positive
  High nitrogen application increased leaf area index and nitrogen content of rice at full heading compared with standard nitrogen.

  compared with standard nitrogen application (SN)

• positive
  High nitrogen application increased sink size of rice compared with standard nitrogen.

  compared with standard nitrogen application (SN)

cited by 2 papers here

Nutrient deficiencies and their symptoms in upland rice. · 2011

• positive
  Nitrogen deficiency was among the most limiting factors for early growth in all rice varieties.

  About lacking this nutrient, so it counts the other way round

cited by 1 paper here

Pathway Analysis of the Differentially Expressed Genes in Oryza Sativa Exposed to the Implantation of Low-Energy Nitrogen Ion · 2011

• positive
  Lower dose nitrogen ion implantation enhanced the rice seedling vigor index.

Sensitivity to Nitrogen of Two Rice Cultivars with Different Plant Type · 2011

• positive
  Nitrogen increased Shennong07425 leaf area by 12.71%-278.41%.
• positive
  Nitrogen increased Akihikari plant height by 0.63%-15.69%.
• positive
  Nitrogen increased Akihikari leaf area by 22.34%-259.82%.
• positive
  Nitrogen increased Shennong07425 plant height by 10.81%-25.72%.

Root growth and distribution in rice cultivars as affected by nitrogen and water supply · 2011

• positive
  Lower nitrogen and water supply promoted subsoil root spread and lateral root proportions.

Integrated Effect of Plant Density, N Rates and Irrigation Regimes on the Biomass Production, N Content, PAR Use Efficiencies and Water Productivity of Rice Under Irrigated Semiarid Environment · 2012

• positive
  The PD2N200 treatment gave the highest biomass.
• positive
  The PD2N200 treatment gave the highest net assimilation rate.
• positive
  The PD2N200 treatment gave the highest crop growth rate.

Effects of Nitrogen Deficiency on Dry Matter and Grain Productions of Six Rice (Oryza sativa L.) Cultivars · 2012

• positive
  Nitrogen limitation significantly decreased fertility percentage and sink size in rice cultivars relative to standard nitrogen.

  compared with standard-NAbout lacking this nutrient, so it counts the other way round

• positive
  Nitrogen limitation significantly decreased aboveground dry weight of rice cultivars at maturity relative to standard nitrogen.

  compared with standard-NAbout lacking this nutrient, so it counts the other way round

• positive
  Nitrogen limitation significantly decreased DW increased during heading to maturity in rice cultivars relative to standard nitrogen.

  compared with standard-NAbout lacking this nutrient, so it counts the other way round

Contribution of leaf nitrogen to photosynthetic gas exchange in contrasting rice (Oryza sativa L.) cultivars during the grain-filling period · 2012

• positive
  Supplemental nitrogen significantly increased shoot dry mass in Hinohikari.

Polyolefin‐Coated Urea Decreases Ammonia Volatilization in a Double Rice System of Southern China · 2012

• positive
  Applications of POCU significantly increased N accumulation in aboveground rice biomass.

Controlled Release Urea Improved Nitrogen Use Efficiency, Activities of Leaf Enzymes, and Rice Yield · 2012

• positive
  Placing CRU with rice seeds improved rice growth.

cited by 5 papers here

Effect of Nitrogen Regimes on Grain Yield, Nitrogen Utilization, Radiation Use Efficiency, and Sheath Blight Disease Intensity in Super Hybrid Rice · 2012

• positive
  Radiation use efficiency of rice increased at a certain level of applied N.

cited by 1 paper here

Ground Cover Rice Production System Increases Yield and Nitrogen Recovery Efficiency · 2012

• positive
  Sufficient nitrogen improved vegetative growth under GCRPS.

Application of Excess Nitrogen, Phosphorus, and Potassium Fertilizers Leads to Lowering of Grain Iron Content in High-Yielding Tropical Rice · 2012

• positive
  N, P and K increased plant biomass.

Evaluation of some growth indices on vegetative and reproductive stage of rice cultivars under nitrogen fertilizer management · 2012

• positive
  Nitrogen fertilizer increased rice growth indices relative to no nitrogen application, highest at N4 (90 kg N/ha).

  compared with N1= 0

EFFECTS OF NITROGEN LEVELS ON DRY MATTER ACCUMULATION AND DISTRIBUTION IN RICE GENOTYPE WITH DIFFERENT NITROGEN USE EFFICIENCIES · 2012

• positive
  NUEdm increased with nitrogen level in rice

Effects of Nitrogen Application on Hybrid Rice Population and Yield Composition in Rice-rape Seed Cropping System · 2012

• positive
  Leaf area index at heading increased with nitrogen level.

Impacts of nitrogen application amounts on grain quality and mineral elements concentrations of Japonica rice in Jianghuai River area · 2012

• positive
  Increasing nitrogen reduced chalkiness size, chalky grain rate and chalkiness.

Relationship Between Culm Lodging Resistance and Population Quality of Hybrids under Triangle-Planted System of Rice Intensification at Different Nitrogen Application Rates and Planting Densities · 2012

• positive
  The 150 kg/hm2 N and 40 cm × 40 cm density improved rice leaf area index and light transmission relative to other treatments.

  compared with other treatments

cited by 1 paper here

Effects of Nitrogen Fertilizer Management on Yield and Nitrogen Use Efficiency of Eryou 498 in Triangle-Planted System of Rice Intensification · 2012

• positive
  The same treatment significantly increased transported dry matter.

EFFECT OF DIFFERENT NITROGEN LEVEL ON DRY MATTER ACCUMULATION AND NITROGEN UPTAKE AT REPRODUCTIVE STAGE OF INDICA RICE · 2012

• positive
  High N rate accelerated the transport of dry matter and N from leaf, stem and sheath to panicle.

Effects of water management patterns and nitrogen fertilizer levels on nitrogen use efficiency of rice · 2012

• positive
  Increasing nitrogen increased aerial biomass and nitrogen accumulation.

PERFORMANCE OF TRANSPLANTED HYBRID RICE VARIETIES UNDER DIFFERENT SEED RATES AND N-LEVELS · 2012

• positive
  Applying 200 kg N/ha gave the greatest field growth parameters.

cites 1 paper here

Numerical Simulation of Root Growth Dynamics of CO2-Enriched Hybrid Rice Cultivar Shanyou 63 Under Fully Open-Air Field Conditions · 2013

• positive
  Nitrogen increased adventitious root volume and dry weight less than FACE.

  compared with FACE treatment

cites 3 papers herecited by 1 paper here

Growth and yield response of five "super" rice (Oryza sativa L.) cultivars to nitrogen fertilizer rates · 2013

• positive
  187.5 kg N per hectare gave the highest leaf area index at full heading, crop growth rate, and total dry weight.

cites 1 paper here

Effect of Nitrogen Amounts on Growth Characters and Yield of New Rice Variety-Fuyou 33 · 2013

• positive
  Increasing nitrogen amounts increased dry weight accumulation at maturity.

Effects of fertilization with reducing nitrogen,controlling phosphorus and stabilizing potassium on rice yield and nutrient accumulation · 2013

• positive
  Modified fertilizer treatment T11 increased straw biomass relative to conventional fertilization.

  compared with conventional fertilization treatment

ROLE OF SOME GROWTH SUBSTANCES IN RELIEF HARMFUL OF SALINITY ON RICE CULTIVARS. · 2013

• positive
  Growth substances GA3, kinetin, urea and their combinations partially mitigated the harmful effects of salinity stress on rice growth.

YIELD AND YIELD COMPONENTS OF HYBRID ONE RICE CULTIVAR AS AFFECTED BY IRRIGATION INTERVALS, FERTILIZATION COMBINATIONS AND THEIR INTERACTION · 2013

• positive
  Full recommended NPK plus compost gave the highest leaf area, dry matter and plant height.

Numerical Simulation of Root Growth Dynamics of CO2-Enriched Hybrid Rice Cultivar Shanyou 63 Under Fully Open-Air Field,Conditions · 2013

• positive
  Nitrogen application increased adventitious root volume and dry weight less than FACE did.

  compared with FACE treatment

Response of nerica and sativa rice lines to nitrogen and phosphorus rates by number of tillers and shoot biomass yield · 2013

• positive
  Increasing nitrogen raised rice biomass more markedly than increasing phosphorus.

  compared with increasing P - levels

Potassium and nitrogen poising: Physiological changes and biomass gains in rice and barley · 2014

• positive
  Changing supplied N:K ratios produced rice vegetative biomass over 220% of low K controls.

  compared with low-K + controls

Nitrogen timing and rate effects on growth and grain yield of delayed permanent-water rice in south-eastern Australia · 2014

• positive
  Nitrogen at sowing increased vegetative rice growth.
• positive
  Mid-tillering nitrogen often increased rice plant growth.

  compared with treatments that received all N before PW application at 18–22 days before panicle initiation

cited by 1 paper here

Effects of free-air CO2 enrichment on adventitious root development of rice under low and normal soil nitrogen levels · 2014

• positive
  Nitrogen application increased adventitious root length, less than FACE.

  compared with FACE treatment

• positive
  Nitrogen application increased adventitious root number, less than FACE.

  compared with FACE treatment

cites 3 papers here

Physiological response of rice (Oryza sativaL.) genotypes to elevated nitrogen applied under field conditions · 2014

• positive
  Growth dynamics of rice increased with nitrogen doses during active tillering and flowering.
• positive
  Biomass partitioning of rice increased with nitrogen doses at active tillering and flowering.

cites 1 paper herecited by 1 paper here

Physiological Attributes of Transplant Aman Rice (Cv. Brri Dhan52) as Affected by Tiller Seedlings and Urea Super Granules · 2014

• positive
  Transplanting single seedlings per hill fertilized with 1.8g USG gave the highest RGR and NAR in 25-day old tiller seedlings.
• positive
  Transplanting five seedlings per hill fertilized with 1.8g USG gave the highest LAI and CGR in 35-day old tiller seedlings.
• positive
  Applying 2.7 g USG gave the highest NAR at 60-75 DAT.
• positive
  Applying 1.8g USG gave the highest LAI at 15, 30, 45 and 60 DAT.
• positive
  Applying 1.8 g USG gave the highest CGR and RGR at 45-60 and 60-75 DAT.

Sites of Action of Elevated CO2 on Leaf Development in Rice: Discrimination between the Effects of Elevated CO2 and Nitrogen Deficiency · 2014

• positive
  Nitrogen deficiency reduced leaf blade width.

  About lacking this nutrient, so it counts the other way round

• positive
  Nitrogen deficiency reduced leaf blade length.

  About lacking this nutrient, so it counts the other way round

cited by 1 paper here

An impairment of urea induced root development of paddy (Oryza sativa): an adverse effect of cold acclimation. · 2014

• positive
  After 24 hours, cold and urea exposure stimulated shoot length.
• positive
  After 24 hours of cold acclimation with urea, root measures were enhanced.
• negative
  Prolonged cold and urea exposure impaired shoot length.
• negative
  Cold acclimation with urea reduced root number and root length.

Performance of aromatic rice (Oryza sativa) genotypes as influenced by integrated nitrogen management · 2014

• positive
  The VC and BGA nitrogen treatment gave the highest DM among treatments.

  compared with other treatments

• positive
  The VC and BGA nitrogen treatment gave the highest plant height among treatments.

  compared with other treatments

Effect of organic manures on growth of transplanted rice · 2014

• positive
  50% RDN through goat manure plus 50% N through bio-digested liquid manure improved plant height of transplanted rice (95.47 cm).
• positive
  The same manure combination improved leaf area of transplanted rice (1481.16 cm2).

Effect of nitrogen on rice yield, yield components and quality parameters · 2014

• positive
  At high nitrogen level rice total biomass reached 8386 kg/ha, the highest value among N levels.

  compared with control (no N fertilizer)

• positive
  At high nitrogen level rice plant height reached 127.9 cm, the highest value among N levels.

  compared with control (no N fertilizer)

cited by 4 papers here

Effects of controlled-release urea on yield, nutrient uptaking and nitrogen use efficiency of rice · 2014

• positive
  Controlled-release urea significantly increased rice dry matter nitrogen content.

Effect of Nitrogen Fertilization on Dry Matter Accumulation,Translocation and Yield of Fujian Early Hybrid Rice · 2014

• positive
  With high soil fertility, nitrogen at 150 kg·hm-2 improved dry matter in leaves and stem-sheaths and dry matter translocation and its rate.

Effects of free-air CO 2 enrichment on adventitious root development of rice under low and normal soil nitrogen levels · 2014

• positive
  Nitrogen application also increased rice adventitious root number and length, but by less than FACE did.

Combined application of silica and nitrogen alleviates the damage of flooding stress in rice · 2015

• positive
  Combined Si, N and P significantly improved rice growth after flood recovery.

Effect of variety and nitrogen rate on the yield performance of boro rice · 2015

• positive
  BRRI dhan28 with 200 kg N ha-1 had the tallest plants (86.48 cm).
• positive
  At 200 kg N ha-1, rice had the highest dry matter (69.58 g m-2).
• positive
  BRRI dhan45 with 200 kg N ha-1 had maximum dry matter (72.30 g m-2).
• positive
  At 200 kg N ha-1, rice plants were tallest (84.01 cm).

cited by 2 papers here

Growth Parameters of Transplant Aman Rice (cv. BRRI dhan 52) as Influenced by Age of Tiller Seedlings, Number of Tiller Seedlings Hill-1 and Level of USG · 2015

• positive
  Applying 1.8g USG produced the greatest dry matter per hill relative to control.

  compared with control treatment

cited by 1 paper here

Rapid responses of mesophyll conductance to changes of CO₂ concentration, temperature and irradiance are affected by N supplements in rice · 2015

• positive
  High N supplement increased the chloroplast surface area exposed to intercellular airspace per leaf area in rice.

  compared with low N supplement

Effect of Integrated Nitrogen Fertilizer on Rice Productivity and Soil Fertility under Saline Soil Conditions · 2015

• positive
  In the first year, 165 kg N ha-1 chemical nitrogen gave the highest growth parameter values, yield and yield component values

cited by 1 paper here

Effects of Combined Application of Controlled Release Nitrogen Fertilizer and Chinese Milk Vetch on Yield and Nitrogen Nutrient Uptake of Early Rice · 2015

• positive
  Early rice growth was enhanced at middle and late stages with reduced urea or controlled release nitrogen fertilizer plus milk vetch.

  compared with 100% urea

Effects of Nitrogen Management on Rice Lodging Resistance of the Third Accumulative Temperature Belt in Heilongjiang Province · 2015

• positive
  Increasing the late-stage spike-grain nitrogen ratio enlarged stem cross-section, increased internode dry weight and thickened culm walls.
• positive
  Reducing nitrogen application enlarged stem cross-section, increased internode dry weight and thickened culm walls.
• positive
  A lower late-stage spike-grain nitrogen ratio decreased the rice lodging index.
• negative
  Higher nitrogen application increased the rice lodging index.

Effect of Integrated Nutrient Management on Growth and Productivity of Hybrid Rice · 2015

• positive
  The second mixed fertilizer regime increased early and grain-growth plant height, tillers, leaf area, dry matter, and crop growth rate.

  compared with 25% RDF + 75% RDN through MOC and 100% RDN through MOC

• positive
  The first mixed fertilizer regime increased early and grain-growth plant height, tillers, leaf area, dry matter, and crop growth rate over organic-heavy regimes.

  compared with 25% RDF + 75% RDN through MOC and 100% RDN through MOC

Urea and ascorbic acid as ameliorators of cement dust toxicity in Oryza Sativa Var. B.P.T.5204 · 2015

• positive
  Urea restored shoot and root biomass most strongly under cement dust.
• positive
  Urea reversed the cement dust effect on plant height.

Heat utilization vis-à-vis crop performance of mechanically transplanted rice (Oryza sativa L.) as affected by tillage systems and nitrogen levels · 2015

• positive
  150 kg N ha-1 increased LAI and PAR interception relative to the lower nitrogen levels.

  compared with 0, 100 and 125 kg N ha-1

Polymer-Coated Urea Delays Growth and Accumulation of Key Nutrients in Aerobic Rice but Does Not Affect Grain Mineral Concentrations · 2016

• positive
  PCU plants increased growth and nutrient uptake in later vegetative stages.
• negative
  PCU delayed early biomass accumulation.
• no effect
  Growth, mineral accumulation and grain partitioning did not differ significantly between urea and urea-DMPP.

  compared with ureaNo difference from an alternative treatment

cites 1 paper here

Introduction of a fungal NADP(H)-dependent glutamate dehydrogenase (gdhA) improves growth, grain weight and salt resistance by enhancing the nitrogen uptake efficiency in forage rice · 2016

• positive
  At the seedling stage, leaf area and shoot and root dry weights of high gdhA-expressors were higher than controls under both high and low N.

  compared with control plants

Impact of variety and levels of nitrogen on the growth performance of HYV transplant Aman rice · 2016

• positive
  The two pellet USG treatment produced the tallest plants and higher tiller number and LAI at all sampling dates.

cited by 1 paper here

Estimating Grain Yield Based on BSW and SPAD at Grain Filling Stage in Double Rice Cropping System of China · 2016

• positive
  NBPT with urea significantly increased leaf SPAD.

cited by 1 paper here

Nitrogen Strategy and Seeding Rate Affect Rice Lodging, Yield, and Economic Returns in the Midsouthern United States · 2016

• positive
  Splitting N application between early-season (V3) and late-season (R1 or R3) applications decreased rice lodging.

cited by 1 paper here

Influence of Zinc Impregnated Urea on Growth, Yield and Grain Zinc in Rice (Oryza sativa) · 2016

• positive
  The 1.5% bio-activated Zn coated urea promoted rice growth better than other treatments.

  compared with other treatments

Pengaruh Hormon Asam Indol Asetat yang Dihasilkan Azospirillum sp. terhadap Perkembangan Akar Padi · 2016

• positive
  Az7 with 100% nitrogen gave the highest root development.

The Interaction Effect of Biofertilization and Nitrogen Fertilization Level on Growth and Yield Attributes of Rice · 2016

• positive
  Nitrogen up to 50 kg N/ fad significantly increased plant height and physiological attributes at heading.

cites 1 paper here

Yield and its attributes responses of drought tolerant upland ‘NERICA’ rice to different nutrient supplying treatments in rainforest transitory agroecology · 2017

• positive
  Field application of AMF with nitrogen and potassium produced higher reproductive growth.

Effect of nitrogen fertilizer to growth, biomass and grain yield of paddy · 2017

• positive
  Nitrogen significantly increased plant height, reaching 70.46 cm at 250 kg ha -1.
• positive
  Nitrogen significantly increased biomass, reaching 927.29 g m -2 at 250 kg ha -1.

cites 1 paper here

Effect of Spatial Distribution and Nitrogen Level on Growth Attributes of Hybrid Rice (Oryza sativa L.) · 2017

• positive
  Applying 187.5 kg N ha-1 improved rice growth attributes relative to other nitrogen levels.

  compared with other

Growth Performance and Radiation Use Efficiency of Transplanted Rice under Varied Plant Densities and Nitrogen Levels · 2017

• positive
  300 kg nitrogen produced more tillers and leaf area index, on par with 180 kg nitrogen.

  compared with 180 kg N ha-1

• positive
  300 kg nitrogen produced more intercepted radiation and radiation use efficiency, on par with 180 kg nitrogen.

  compared with 180 kg N ha-1

cited by 1 paper here

Growth Efficiency, Productivity and Economics of Direct Seeded Rice as Influenced by Nitrogen Level and Weed Management · 2017

• positive
  Plant height, tillers per square metre and leaf area index were higher with hand weeding twice plus 125 kg N/ha than with lower nitrogen and other weed management.

  compared with lower levels of nitrogen application and other weed management practices

Influence of organic and inorganic nitrogen on the growth and yield of irrigated rice · 2017

• positive
  Poultry manure plus prilled urea gave the highest growth, dry matter, yield and agronomic efficiency.

Leaf Colour Chart for Proficient Nitrogen Management in Transplanted Rice (Oryza sativa L.) in Eastern Uttar Pradesh, India · 2017

• positive
  LCC 4 nitrogen management increased plant height compared with LCC 3 and other nitrogen treatments.

Effect of N fertilizer on the emergence and seedling growth of Eleusine indica in aerobic rice systems · 2017

• positive
  Urea at 60 kg ha -1 significantly stimulated rice root growth, shoot height, and shoot fresh weight.

cites 1 paper here

Response of local rice (Oryza sativa L.) cultivars to different nitrogen levels under rainfed upland conditions of Nagaland · 2017

• positive
  At 80 kg N/ha, crop growth rate, leaf area index and root volume increased significantly.

Canopy Index and Productivity of Broadcasted Hybrid Rice (Oryza sativa L.) Influenced by Nitrogen Splitting Application · 2017

• positive
  The 220 kg nitrogen dose significantly improved leaf area index and vegetative dry weight.

cites 2 papers here

Influence of Nitrogen Levels and Times of Application on Growth Parameters of Aerobic Rice · 2018

• positive
  Nitrogen at 180 kg ha-1 in four splits gave better root volume and root dry weight.

cited by 4 papers here

Growth attributes response of different doses of nitrogen on rice varieties in Vindhya region of Uttar Pradesh · 2018

• positive
  N4 nitrogen significantly increased rice growth.
• no effect
  N2 and N3 nitrogen doses had no significant effect on rice growth.

Response of rice varieties to nitrogen fertilization under irrigation at Talata Mafara, Sudan savanna · 2018

• positive
  Increasing nitrogen above 60 kg N ha-1 significantly increased growth parameters.

  compared with 60 kg N ha-1

Growth Parameter and Yield Attributes of Rice ( Oryza Sativa ) as Influenced by Different Combination of Nitrogen Sources · 2018

• positive
  The combined nitrogen treatment produced higher rice plant height of 96.13 cm.

cited by 1 paper here

Influence of Neem Coated Urea and Micronutrients on Performance of Rice under Aerobic Condition · 2018

• positive
  Dry weight of aerobic rice was maximum with neem coated urea at 140 kg N/ha (379 and 900 gm-2 at flowering and harvest).

cites 1 paper here

Influence of Establishment Methods and Site-Specific Nitrogen Approaches on Growth Functions and Yield of Rice · 2018

• positive
  SRI with STCR nitrogen management gave better leaf area and its components.

Response of Some Landrace Rice (Oryza sativa L.) Cultivars to Applied Nitrogen in Lowland Ecosystem · 2018

• positive
  PU before PI significantly increased leaf area index in all three landraces.

Effect of Nitrogen Application through Urea and Azolla on Growth and Biological Yield of Rice (Oryza sativa L.) in Acidic Soil of Meghalaya · 2018

• positive
  Rice plant height at 90 DAT was highest with 60 kg N ha-1 through urea plus azolla and significantly above control.

  compared with control

cites 1 paper here

Effect of Varying Levels of Nitrogen and Planting Geometry on High Yielding Boro Rice in New Alluvial Zone of West Bengal · 2018

• positive
  The 140 kg N ha-1 level gave the highest plant height (101.81 cm), statistically at par with 120 kg N ha-1.

  compared with 120 N kg ha-1

cites 1 paper here

The Selective Vulnerability of Rice Root System Architecture to Organic and Inorganic Nitrogen · 2018

• positive
  Combined nitrate and ammonia nutrition was judged most suitable for rice root system and seedling growth.

  compared with sole sources

• no effect
  Mean lateral root length did not fluctuate among nitrogen forms.

Drip Irrigation and Fertigation Effects on Aerobic Rice (Oryza sativa) in Semi-Arid Conditions of Telangana State · 2018

• positive
  Root volume and root dry weight were higher at 150 kg N/ha.

Urea Containing Coated Cu and Zn: A Suitable Fertilizer for Healthier Growth of Rice and N-Uptake · 2018

• positive
  Rice growth parameters increased 30-40% over control.

  compared with control

Effects of Different Sources of Nitrogen on Endophytic Colonization of Rice Plants by Azospirillum sp. B510 · 2018

• positive
  Nitrogen promoted rice growth with increasing concentration and minor differences among sources.

Effect of Different Nitrogen Levels on Biochemical Parameters of Rice Genotypes (Oryza sativa L.) · 2018

• positive
  The 120 kg N ha -1 treatment gave significantly higher specific leaf area and specific leaf weight than the other nitrogen treatments.

  compared with nitrogen treatments

cites 1 paper here

Interaction effect of nitrogen, phosphorus, and zinc fertilization on growth, yield, and nutrient contents of aromatic rice varieties · 2018

• positive
  N increased rice dry matter at 60 days after sowing by 0.91 g per plant.

cites 2 papers here

Performance of rice under different water regimes and plant nutrient sources · 2018

• positive
  Combined inorganic fertilizer and compost supplying 45 kg N/ha each under AWD produced the highest rice growth.

Performance of various rice cultivars under variable nitrogen levels · 2018

• positive
  At 30 and 60 DAT, 120 kg N ha-1 increased leaf area relative to 60 and 80 kg N ha-1.

  compared with 60 and 80 kg N ha-1

Effect of nitrogen levels and weed management practices on growth, yield and uptake of rice under aerobic conditions · 2018

• positive
  125kg N/ha gave higher plant height (88.89 cm).

Physiological Growth Parameters of Rabi Rice (Oryza sativa L.) under Alternate Wetting and Drying Irrigation with Varied Nitrogen Levels · 2019

• positive
  Application of 200 kg N ha-1 resulted in higher physiological growth parameters of rabi rice across nitrogen levels.
• no effect
  Application of 200 kg N ha-1 was on par with application of 160 kg N ha-1 for physiological growth parameters of rabi rice.

  compared with application of 160 kg N ha-1No difference from an alternative treatment

cites 1 paper here

Dynamics of dry matter and nitrogen distribution in transplanted rice on mollisols · 2019

• positive
  Neem coated urea at 125% RDN increased dry matter distribution to leaf, stem and panicle versus prilled urea.

  compared with prilled urea at 100% RDN with the same split schedule

cites 2 papers here

Effect of seed priming on germination, emergence and seedling growth of spring rice (Oryza sativa L.) cv. Hardinath-1 · 2019

• positive
  Seed priming with 2% urea gave the longest root length (12.04 cm) at 7 DAS in spring rice.
• positive
  Seed priming with 2% urea gave the longest shoot length (7.97 cm) at 7 DAS in spring rice.

Qualitative response of super basmati rice to different nitrogen levels under varying rice ecosystem · 2019

• positive
  Nitrogen positively affected bursting and elongation ratio up to its maximum application level.

Effect of integrated nutrient management on productivity, nutrient removal and soil quality of rainfed upland rice in north east India · 2019

• positive
  Integrated inputs produced higher rice biomass yield.

Studies on Different Crop Establishment Techniques and Nitrogen Management on Basmati Rice Variety (Pusa basmati 1509) · 2019

• positive
  The 75% urea plus 25% FYM nitrogen treatment significantly influenced rice growth over control.

  compared with control

Assessing the effect of seedling age and time of urea supergranule application on rice growth, yield and nitrogen use efficiency. · 2019

• positive
  Urea supergranule applied at 7 or 14 days after transplanting gave the highest rice growth parameters, compared with application at 0 and 21 days.

  compared with urea supergranule applied at 0 and 21 days after transplanting

cites 2 papers here

Effect of nitrogen fertiliser and cultivation method on root systems of rice subjected to alternate wetting and drying irrigation · 2019

• positive
  N application in four splits maximised root growth, with more and longer roots.
• positive
  N application in four splits gave higher root length density, root dry matter and root to shoot ratio.

cites 1 paper here

iTRAQ-based quantitative proteomic and physiological analysis of the response to N deficiency and the compensation effect in rice · 2019

• positive
  Nitrogen deficiency lowered rice net photosynthetic rate, Fv/Fm and SPAD value versus CK.

  compared with CKAbout lacking this nutrient, so it counts the other way round

Controlled‐Release Nitrogen Fertilizer Improved Lodging Resistance and Potassium and Silicon Uptake of Direct‐Seeded Rice · 2019

• positive
  Rice lodging appeared only under conventional urea treatment.

cites 1 paper herecited by 1 paper here

Optimized nitrogen management enhances lodging resistance of rice and its morpho-anatomical, mechanical, and molecular mechanisms · 2019

• positive
  Optimized nitrogen management increased lower internode culm diameter and wall thickness.

  compared with farmers' fertilizer practices

cites 3 papers herecited by 2 papers here

Studies on root growth, yield and NPK uptake of rice as influenced by different establishment techniques and N-levels · 2019

• positive
  At 210 kg N ha-1, rice root dry weight was maximal and comparable with 180 and 150 kg N ha-1.

  compared with application of 180 and 150 kg N ha-1

• positive
  At 210 kg N ha-1, rice root volume was maximal and comparable with 180 and 150 kg N ha-1.

  compared with application of 180 and 150 kg N ha-1

Influence of precision nitrogen management through crop sensors on growth and yield of aerobic rice (Oryza sativa L.) · 2019

• positive
  SPAD-based nitrogen management at 96-100% sufficiency index significantly increased plant height of aerobic rice.
• positive
  SPAD-based nitrogen management at 96-100% sufficiency index significantly increased leaf area of aerobic rice.
• positive
  SPAD-based nitrogen management at 96-100% sufficiency index significantly increased total dry matter of aerobic rice.

DECREASING NITROGEN FERTILIZER BY USING SOME BIOFERTILIZERES FOR RICE CROP UNDER SALINE SOIL CONDITIONS · 2019

• positive
  Rice receiving 107 kg N/ha plus yeast extract had increased growth, physiological traits, and yield traits, with no significant difference from 145 kg N/ha.

  compared with 145 kg N/ha

Effect of altering N application timing on critical paddy development and rice production / Rabiahtul Adawiah Rosli · 2019

• positive
  The application of N increased plant biomass by 12.13%.

Plant type and canopy light interception characteristics in double cropping rice canopy under different nitrogen rates · 2019

• positive
  Canopy IPAR of early and late rice increased with increasing nitrogen rate.
• positive
  Layer LAI and upward accumulated LAI in upper and mid canopy increased with increasing nitrogen rate.

Study on Rice Residue Management Options on Growth Parameters and Growth Indices of Rice Crop · 2020

• positive
  The same residue treatment produced higher leaf area index, crop growth rate and relative growth rate.

Diagnosis of Nitrogen Nutrition in Rice Leaves Influenced by Potassium Levels · 2020

• positive
  Increasing nitrogen rates significantly increased SPAD readings, chlorophyll content and leaf nitrogen content in rice.

cites 1 paper herecited by 3 papers here

The effect of nitrogen-fixing bacteria towards upland rice plant growth and nitrogen content · 2020

• positive
  Bacterial inoculation increased rice shoot and root dry weight.

cited by 1 paper here

The role of Azolla on improving nitrogen efficiency in rice cultivation · 2020

• positive
  Azolla with 86 kg N ha-1 increased rice growth by 15.54%.

Effect of Seedling Nitrogen Condition on Subsequent Vegetative Growth Stages and Its Relationship to the Expression of Nitrogen Transporter Genes in Rice · 2020

• positive
  Belowground parts were sensitive to N limitation throughout vegetative growth, especially during panicle development.

  About lacking this nutrient, so it counts the other way round

• positive
  N limitation in rice seedlings restricted vegetative growth.

  About lacking this nutrient, so it counts the other way round

• positive
  Aboveground parts were affected by N limitation mainly during tillering.

  About lacking this nutrient, so it counts the other way round

Effect of urea phosphate foliar supplementation on yield, nutrient uptake and grain quality of rice (Oryza sativa L.) in acid Inceptisols · 2020

• positive
  T10 gave the highest plant height of 107.60 cm.

cited by 1 paper here

Effect of nitrogen levels and weed management methods on weed abundance and yield of upland rice (Oryza sativa L.) · 2020

• positive
  Crop vigour and plant height significantly increased with nitrogen up to 90 kg ha-1.

Nitrate deficiency decreased photosynthesis and oxidation-reduction processes, but increased cellular transport, lignin biosynthesis and flavonoid metabolism revealed by RNA-Seq in Oryza sativa leaves · 2020

• positive
  Nitrogen deficiency significantly decreased shoot and root dry weight of Oryza sativa relative to control.

  compared with control (10 mM NO3-)About lacking this nutrient, so it counts the other way round

Growth and yield responses of rainfed lowland rice to different nitrogen fertilizer sources, methods and time of applications in Fogera Plain, northwest Ethiopia · 2020

• positive
  Urea supergranule gave the highest biomass yield in both planting methods.

  compared with slow-release Urea and conventional Urea applications

• positive
  Urea supergranule gave the highest SPAD value in both planting methods.

  compared with slow-release Urea and conventional Urea applications

• positive
  Urea supergranule gave the highest LAI in both planting methods.

  compared with slow-release Urea and conventional Urea applications

Judicious Nitrogen Management using Leaf Colour Chart for Enhancing Growth and Yield of Short Duration Transplanted Rice (Oryza sativa L) · 2020

• positive
  LCC-4 at 150 kg N ha-1 gave significantly higher dry matter of 11,246 kg ha-1.
• positive
  LCC-4 at 150 kg N ha-1 gave significantly higher leaf area index of 2.17.
• positive
  LCC-4 at 150 kg N ha-1 gave significantly higher plant height at maturity of 107.9 cm.

Evaluation of split application of nitrogen and potassium on semi-dry rice cultivation in Ramanathapuram, Tamil Nadu · 2020

• positive
  Split nitrogen and potassium application produced plant growth of 83.5 cm.

Non‐flooding rice yield response to straw biochar and controlled‐release fertilizer · 2020

• positive
  The combination increased total biomass accumulation.

cites 1 paper here

Effect of nickel with different sources of nitrogen on rice (Oryza sativa L.) · 2020

• positive
  Nickel at 1 and 2 kg ha-1 with urea or ammonium sulphate significantly increased rice growth versus control.

  compared with control

Root morphological traits and distribution in direct-seeded rice under dense planting with reduced nitrogen · 2020

• positive
  High density with low nitrogen improved rice root morphology and distribution.

INTERACTION INFLUENCE OF ROW ARRANGEMENT AND NITROGEN LEVEL ON THE GROWTH AND YIELD OF TRANSPLANT AMAN RICE (BRRI DHAN34) · 2020

• positive
  Double rows with 80 kg N ha -1 gave the highest plant height, 143 cm.

Long‐term biochar application promotes rice productivity by regulating root dynamic development and reducing nitrogen leaching · 2020

• positive
  Biochar with N application promoted rice root growth at tillering.
• no effect
  Biochar with N application maintained rice root length during the jointing and booting stages.

cites 1 paper here

Elevated CO2 alters transgene methylation not only in promoterregion but also in codingregion of Bt rice under different N-fertilizer levels · 2020

• positive
  Increasing nitrogen fertilizer increased belowground biomass.

cites 1 paper here

Hybrid rice yield response to potted-seedling machine transplanting and slow-release nitrogen fertilizer application combined with urea topdressing · 2020

• positive
  SBUP increased total green leaf area, high-effective leaf area and its rate at heading

Effect of integrated nitrogen management through organic and inorganic sources on the yield of rice (Oryza sativa L.) and status of soil fertility at harvest · 2020

• positive
  Replacing half of nitrogen with vermicompost raised rice plant height to 92.27 cm versus control.

The effect of NPK 16-6-23 fertilizer dosage on the growth and yield of the rice Inpari 30 in Bangkalan regency, East Java · 2020

• positive
  200 kg per ha Urea plus 300 kg per ha NPK 16-6-23 produced the highest plant growth at 50 DAP (77.83 cm).

Interaction of variety and urea fertilizer and its impact on salt-tolerant Boro rice in the coastal area of Bangladesh · 2020

• positive
  Variety and urea dose significantly influenced plant height; BINA dhan-8 with 250 kg urea/ ha. performed better.

  compared with different doses of urea fertilizer

cites 1 paper here

Effect of Integration of Organic and Inorganic Sources of Nitrogen on Rice (Oryza sativa l.) Yield · 2020

• positive
  Replacing 50 percent nitrogen with vermicompost gave the highest plant height compared with control.

  compared with control

Foliar Fertilization of Dual-Labeled Organic and Inorganic N in Rice; Mechanisms of Transport and Assimilation · 2020

• positive
  Ammonium nitrogen increased rice organ dry weight relative to other treatments.

  compared with other treatments

Drought Tolerance and Nitrogen use Efficiency of Upland Rice (Oryza Sativa L.) Genotypes Grown under Varying Water and Nitrogen Regimes · 2020

• positive
  Sufficient soil moisture and high nitrogen caused optimal genotype growth.
• positive
  Deficient water and nitrogen both retarded rice growth.

  About lacking this nutrient, so it counts the other way round

Effect of nitrogen levels and weed management methods on weed abundance and yield of upland rice (Oryza sativa L.) · 2020

• positive
  Increasing N up to 90 kg/ha increased crop vigour and plant height of upland rice.

Adaptation Mechanism of Roots to Low and High Nitrogen Revealed by Proteomic Analysis · 2021

• positive
  Low nitrogen promoted rice root growth relative to normal nitrogen.

  compared with normal N conditions

• negative
  High nitrogen inhibited rice root growth relative to normal nitrogen.

  compared with normal N conditions

cited by 2 papers here

Growth, phenology, yield and yield attributes of rice as influenced by tillage, residue and nitrogen management practice in Chitwan, Nepal · 2021

• positive
  Recommended nitrogen dose produced taller plants across nearly all observation days.

cites 1 paper here

Comparison of different planting methods and physiological studies for yield enhancement in rice · 2021

• positive
  The S5 nutrient treatment produced higher growth characters than the other treatments and was on par with S3.

  compared with the rest of the treatments

Smart agriculture practice for intensively rice cultivation in both irrigated and rainfed rice field · 2021

• positive
  Compost plus UBICHAR produced the highest root weight.

Residual effect of organics and direct effect of mineral nitrogen on rice (Oryza sativa L.) in two different textural soils · 2021

• positive
  Residual organics with urea gave higher rice growth parameters than individual additions.

  compared with their individual addition

• positive
  Residual organics with urea gave higher rice growth and assimilation rates than individual additions.

  compared with their individual addition

Effects of growth media compositions for plant growth of Inpari 13 rice (Oryza sativa L.) on substrate hydroponic system · 2021

• positive
  Addition of NH 4 + as a nitrogen source improved rice plant growth in the vegetative stage.

New Fertilizer Strategies Combining Manure and Urea for Improved Rice Growth in Mozambique · 2021

• positive
  Combined urea and manure gave the highest plant height of 115 cm.

cites 1 paper here

The Effect of Biofertilizer of Azolla, Phosphate and Nitrogen Fertilizers on some Growth Traits of Rice · 2021

• positive
  Nitrogen at 184 kg N ha −1 increased rice height by 15.49%.

  compared with nitrogen fertilizer at 92 kg N ha −1

Effects of Bacillus sp. MR‐1/2 and magnetite nanoparticles on yield improvement of rice by urea fertilizer under different watering regimes · 2021

• positive
  The combined treatment increased rice plant dry matter by 60% over urea alone under water deficit.

  compared with control (urea alone)

• positive
  The combined treatment increased rice plant dry matter by 21.8% over urea alone under optimum watering.

  compared with control (urea alone)

Determining nitrogen status and quantifying nitrogen fertilizer requirement using a critical nitrogen dilution curve for hybrid indica rice under mechanical pot-seedling transplanting pattern · 2021

• positive
  Higher N fertilizer rates significantly increased shoot dry matter.

Indica rice restorer lines with large sink potential exhibit improved nutrient transportation to the panicle, which enhances both yield and nitrogen-use efficiency · 2021

• positive
  Total nitrogen absorption increased as nitrogen application increased.

cites 1 paper here

Reducing nitrogen rate and hill distance improves rice dry matter production in saline–alkali soils · 2021

• positive
  Increasing nitrogen rate and decreasing hill distance increased the leaf area index of rice.

Seedling age, nitrogen fertilizer, and seed storage time affect the seed germination of rice varieties in Nigeria · 2021

• positive
  Seeds from seven-day-old rice seedlings given 0–60 kg N ha-1 had a nonsignificantly higher germination after one or two months of storage.
• negative
  Seven-day-old seedlings without nitrogen fertilizer had the highest germination rate.

  About lacking this nutrient, so it counts the other way round

Factors Explaining Differences in Yield Response to High Nitrogen Fertilization among Rice Varieties under Tropical Highland Conditions in Central Kenya · 2021

• positive
  Shoot dry weight and total spikelet number increased in all rice varieties under high N conditions.

Evidence that synergism between potassium and nitrate enhances the alleviation of ammonium toxicity in rice seedling roots · 2021

• positive
  Combined potassium and nitrate significantly improved alleviation of root biomass, length and embryonic crown root number.
• positive
  Nitrate partly alleviated ammonium inhibition of rice seedling root growth.

cites 1 paper here

Effect of Gluconacetobacter diazotrophicus inoculation and reduced nitrogen fertilizer on yield and growth parameters of rice varieties · 2021

• positive
  Inoculation with G. diazotrophicus at 50 kg N.ha-1 may maintain growth relative to 100 kg N.ha-1.

  compared with 100 kg N.ha-1

cites 1 paper here

Effect of irrigation and nitrogen management on yield and economics of SRI-grown hybrid rice (Oryza sativa) · 2021

• positive
  The combined RDN and BGA application increased LAI over RDN alone.

  compared with 100% RDN alone

Improvement of Root Characteristics Due to Nitrogen, Phosphorus, and Potassium Interactions Increases Rice (Oryza sativa L.) Yield and Nitrogen Use Efficiency · 2021

• positive
  N, P and K interactions increased root length and biomass at elongation.
• positive
  N, P and K interactions increased N uptake per unit root length and biomass.

cited by 1 paper here

Nitrogen limits zinc‐mediated stimulation of tillering in rice by modifying phytohormone balance under low‐temperature stress · 2021

• positive
  Appropriate zinc application under high nitrogen promoted rice tillering growth spurts on return to normal temperature.
• negative
  High nitrogen attenuated zinc stimulation of rice tillering at low temperature.

  compared with normal N levels

Performance of Transplant Aus Rice Varieties under Different Nitrogen Management Practices · 2021

• positive
  USG produced maximum leaf area index of 2.97.

Effect of Establishment Methods and Nutrient Management Practices on Growth Characters and Yield of Rice (Oryza sativa L.) · 2021

• positive
  A nutrient practice with half inorganic and half organic recommended nitrogen produced superior growth parameters.
• positive
  The combination of SRI and half the nitrogen from urea and half from vermiconpost produced greater growth parameters.

Effect of nitrogen on growth, yield and yield attributes of scented rice (Oryza sativa L.) under different planting geometry · 2021

• positive
  At 120 kg N ha-1, rice plant height was significantly superior to other nitrogen treatments.

  compared with other treatments

Seed Priming and Foliar Application with Nitrogen and Zinc Improve Seedling Growth, Yield, and Zinc Accumulation in Rice · 2022

• positive
  Combined N and Zn seed priming gave the highest seedling dry weight.
• positive
  Combined N and Zn seed priming gave the highest coleoptile length.

cited by 1 paper here

Ammonium transporters cooperatively regulate rice crown root formation responding to ammonium nitrogen · 2022

• positive
  Ammonium, rather than nitrate, regulates rice crown root development.

  compared with nitrate

• negative
  High ammonium supply inhibits rice crown root elongation.

cites 1 paper here

NLP2-NR Module Associated NO Is Involved in Regulating Seed Germination in Rice under Salt Stress · 2022

• positive
  Nitrate rescued germination under salt stress.

Effect of nutripriming treatments on growth parameters of riceseedlings in nursery tray · 2022

• positive
  Combined nutripriming with urea, zinc and borax was superior for seedling growth parameters and mat characteristics in rice tray nursery.

Reasonable Nitrogen Regime in the Main Crop Increased Grain Yields in Both Main and Ratoon Rice · 2022

• positive
  Moderately increasing panicle nitrogen increased regenerated-bud number, length and fresh weight.

cites 1 paper here

Growth analysis and grain yield of rice (Oryza sativa L.) varieties under green manure based integrated nutrient management · 2022

• positive
  75% STBNR with dhaincha gave maximum crop growth rate during 60-90 DAT.

  compared with 100% STBNR and 50% STBNR + green manuring of dhaincha

• positive
  75% STBNR with dhaincha gave maximum net assimilation rate during 60-90 DAT.
• positive
  75% STBNR with dhaincha gave maximum crop growth rate during 30-60.

  compared with 100% STBNR and 50% STBNR + green manuring of dhaincha

• positive
  50% STBNR with dhaincha produced the maximum relative growth rate, comparable to 75% STBNR with dhaincha.

  compared with 75% STBNR + green manuring of dhaincha

• positive
  75% STBNR with dhaincha gave maximum net assimilation rate during 30-60.

Growth and Yield of Rice as Influenced by Rice Husk Biochar and Nitrogen Levels during Kharif Season · 2022

• positive
  Nitrogen at 160 kg N ha-1 gave the highest plant height of 106.2 and 108.1 cm.
• positive
  Nitrogen at 160 kg N ha-1 gave the highest leaf area index of 3.72 and 3.84.

Physiological, Agronomical, and Proteomic Studies Reveal Crucial Players in Rice Nitrogen Use Efficiency under Low Nitrogen Supply · 2022

• positive
  Cultivar Panvel outclassed Nagina 22 at low-N supply and showed improved growth and physiology at most growth stages.

  compared with Nagina 22

• negative
  Plant biomass was lower in Nagina 22 than in Panvel by 21% at low-N supply.

  compared with Panvel

Utilizing Urea–Chitosan Nanohybrid for Minimizing Synthetic Urea Application and Maximizing Oryza sativa L. Productivity and N Uptake · 2022

• positive
  Nanohybrid at 500 mg N/L plus 60% classical urea achieved significant growth traits without significant decline from full classical urea.

  compared with full recommended dose of classical urea

Response of nutrient management on growth, yield and nutrient uptake of hybrid rice in Gangetic plains of West Bengal · 2022

• positive
  Arize 6444 with the specified nitrogen, mustard cake and zinc treatment had significantly greater leaf area duration at 30-90 DAT.
• positive
  Arize 6444 with the specified nitrogen, mustard cake and zinc treatment had significantly greater leaf area index at 75 days after transplanting (DAT).
• positive
  Arize 6444 with the specified nitrogen, mustard cake and zinc treatment had significantly greater crop growth rate at 60-75 DAT.
• positive
  Ajay with the specified nitrogen, mustard cake, phosphorus and potassium treatment had the highest plant height.

Effects of organo-mineral fertilization on plant growth and grain yield of an upland rice variety (NERICA 14) in lower Casamance (South-West Senegal) · 2022

• positive
  Treatment T9 gave taller upland rice NERICA 14 plants at flowering (92.6 ± 4.3 cm)
• positive
  Treatment T5 gave tillering of upland rice NERICA 14 of 96.5 ± 24.35 t tiller/m²
• positive
  Treatment T9 gave taller upland rice NERICA 14 plants at maturity (98.4 ± 1.5 cm)
• positive
  Treatment T9 gave taller upland rice NERICA 14 plants at booting (62.9 ± 6.0 cm)
• positive
  Treatment T6 gave taller upland rice NERICA 14 plants at booting (42.3 ± 2.6 cm)
• positive
  Treatment T8 gave higher tillering of upland rice NERICA 14 (107 ± 11.49 tillers/m²)

Effect of different nitrogen levels on yield and yield attributes of different rice varieties in DDSR condition at Kanchanpur, Nepal · 2022

• positive
  Plant height was higher at 180 kg/ha N (74.502 cm).

cites 1 paper here

Amendment with controlled release urea increases leaf morpho‐physiological traits, grain yield and NUE in a double‐cropping rice system in southern China · 2022

• positive
  Controlled release urea with common urea increased LAI, CCI, and intercepted PAR relative to local practice.

  compared with local farming practice

Performance of different sources of nitrogen under different establishment methods of rice (Oryza sativa  · 2022

• positive
  The system of rice intensification with 50% inorganic nitrogen and 50% nano nitrogen gave a higher crop growth rate (10.35 and 12.41 g/m2/day).
• positive
  The system of rice intensification with 50% inorganic nitrogen and 50% nano nitrogen gave a higher plant height (90.29 and 105.39 cm).

Polymer-coated urea application can increase both grain yield and nitrogen use efficiency injaponica-indicahybrid rice · 2022

• positive
  Polymer coated urea reduced redundant early vegetative growth.

  compared with CU treatment

cited by 2 papers here

Effects of deep urea placement and variety on agromorphological performance of rice (Oryza sativa L.) in lowland rice production in Essyl (Enampore commune, Lower Casamance) · 2022

• positive
  Under deep urea placement, Sahel 108 produced more tillers, 45±6.61 tillers/m².
• positive
  Deep placement of urea gave the most important plant height compared with farmer practice.

  compared with farmer practice (FP)

• positive
  Deep placement of urea gave the most important plant collar diameter compared with farmer practice.

  compared with farmer practice (FP)

• positive
  Deep placement of urea gives the best growth performance of rice regardless of variety.

OsCSLD1 Mediates NH4+-Dependent Root Hair Growth Suppression and AMT1;2 Expression in Rice (Oryza sativa L.) · 2022

• positive
  With nitrogen depleted, csld1 root hairs resumed elongation.

Growth analysis and grain yield of rice (Oryza sativa L.) varieties under green manure based integrated nutrient management · 2022

• positive
  50% STBNR plus dhaincha yielded maximum RGR of 23.77 mg/g/day at 60-90 DAT.

  compared with 75% STBNR + green manuring of dhaincha

• positive
  The 75% STBNR plus dhaincha treatment maximized CGR at 20.80 g/m2/day during 60-90 DAT.

  compared with 50% STBNR + green manuring of dhaincha

• positive
  75% STBNR plus dhaincha gave maximum NAR of 3.41 g/m2 leaf area/day at 30-60 DAT.
• positive
  75% STBNR plus dhaincha gave maximum NAR of 4.26 g/m2 leaf area/day at 60-90 DAT.
• positive
  The 75% STBNR plus dhaincha treatment maximized CGR at 11.33 g/m2/day during 30-60 DAT.

  compared with 100% STBNR

Impact of Site Specific Nitrogen Management on Growth Parameters, Productivity and Profitability of Kharif rice · 2022

• positive
  The treatment produced maximum crop growth rate of 18.73 g m-2 day-1 at 60 to 80 DAT.
• positive
  The treatment produced a leaf area index of 3.30.

Effects of Potassium and Nitrogen Fertilizer Applications on Yield and Lodging of Rice (Oryza sativa L.) under Different Irrigation Regimes · 2022

• positive
  Increasing nitrogen and potassium fertilizers decreased lodging indices at internodes 3 and 4.

Nitrogen and potassium interactions optimized asynchronous spikelet filling and increased grain yield of japonica rice · 2023

• positive
  Combined N and K significantly increased superior spikelets weight by 1.29 mg relative to N0K0.

  compared with control (N0K0) treatment

• positive
  Combined N and K significantly increased inferior spikelets weight by 2.31 mg relative to N0K0.

  compared with control (N0K0) treatment

cites 2 papers here

Physiological analysis reveals the mechanism of accelerated growth recovery for rice seedlings by nitrogen application after low temperature stress · 2023

• positive
  N application significantly increased seedling height, fresh weight and dry weight after 12 days compared with the zero N group.

  compared with zero N group

• positive
  The increases in seedling growth indicators with N application after low temperature stress were relatively higher than with N application at normal temperature.

  compared with N application at normal temperature

Variation in nitrogen partitioning and reproductive stage nitrogen remobilization determines nitrogen grain production efficiency (NUEg) in diverse rice genotypes under varying nitrogen supply · 2023

• positive
  N application increased NDVI value and biomass accumulation of rice compared with the N0 control.

  compared with N0

cites 1 paper here

Effect of Nano Nitrogen and Nano Zinc on Growth and Yield of Paddy in Paddy-Paddy Cropping System · 2023

• positive
  Foliar nitrogen spray at 4000 ppm gave paddy NDVI values of 0.81 and 0.74 at flowering.
• positive
  Applying 125% RDN increased paddy total dry matter, with values 70.06 and 64.54 g per hill.
• positive
  Applying 125% RDN significantly increased paddy plant height, with reported values 97.11 and 96.54 cm.
• positive
  Foliar nitrogen spray at 4000 ppm gave paddy total dry matter of 66.84 and 62.31 g per hill.
• positive
  Applying 125% RDN gave paddy NDVI values of 0.85 and 0.82.
• positive
  Foliar nitrogen spray at 4000 ppm gave paddy SPAD values of 44.89 and 41.29 at flowering.
• positive
  Applying 125% RDN gave paddy SPAD values of 46.69 and 42.60.

cited by 1 paper here

Improving grain yield and nitrogen use efficiency of direct‐seeded rice with simplified and nitrogen‐reduced practices under a double‐cropping system in South China · 2023

• positive
  Post-heading biomass increased by 104.5%.

cited by 1 paper here

Influence of Nitrogen and Phosphorus on the Growth and Yield of Fine Aromatic Rice (cv. Binadhan-13) · 2023

• positive
  The 75 kg N plus 45 kg P2O5 treatment gave the highest plant height, 150 cm.

cited by 1 paper here

Growth Analysis of Situ Bagendit Variety in Rainfed Lowland Rice Applied Mycorrhizae with Nitrogen and Phosphorus in Entisol · 2023

• positive
  Nitrogen at 90 kg ha-1 and phosphorus at 50 kg ha-1 increased leaf area index and leaf area duration.
• positive
  Those fertilizer doses increased net assimilation rate and crop growth rate.

Combined Application of Arbuscular Mycorrhizal Fungi (AMF) and Nitrogen Fertilizer Alters the Physicochemical Soil Properties, Nitrogen Uptake, and Rice Yield in a Polybag Experiment · 2023

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed shoot dry matter by 26.08% and 28.26% relative to control.

  compared with control

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed root length by 54.68% and 56.44% relative to control.

  compared with control

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed root volume by 42.73% and 43.37% relative to control.

  compared with control

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed rice plant height by 19.19% and 19.79% relative to control.

  compared with control

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed root dry matter by 54.34% and 53.69% relative to control.

  compared with control

• positive
  Combined 45 g AMF per polybag and 180 kg N ha-1 changed flag leaf area by 107.76% and 108.02% relative to control.

  compared with control

cites 1 paper here

Synthesis of biochar‐embedded slow‐release nitrogen fertilizers: Mesocosm and field scale evaluation for nitrogen use efficiency, growth and rice yield · 2023

• positive
  Application of BSRNF-U100 augmented rice plant growth.

Nitrogen and phosphorus fertilization in upland rice in the municipality of Humaitá at Amazonas State · 2023

• positive
  Nitrogen and phosphorus fertilization improved rice growth and development in upland soil up to the stated dose ranges.

cites 1 paper here

Root Morphological Characteristics of Five Rice Genotypes with Different Nitrogen Use Efficiency · 2023

• positive
  NCBPC-based nitrogen treatments notably improved root traits.

Effects of integrated plant nutrition systems with fertilizer deep placement on rice yields and nitrogen use efficiency under different irrigation regimes · 2023

• positive
  UDP increased yield, dry matter and NUE versus broadcast PU in both seasons.

  compared with broadcast PU

• positive
  UDP with PL increased yield, dry matter and NUE versus broadcast PU.

  compared with broadcast PU

cited by 1 paper here

Improving the Allocation of Light-Temperature Resources and Increasing Yield of Rice through Early Sowing and Increasing Nitrogen · 2023

• positive
  Early sowing or added nitrogen significantly increased dry matter, grain weight, LAI and harvest index.

cites 1 paper here

Effect of Nano Urea on Growth and Yield of Direct Seeded Rice in North Coastal Zone of Andhra Pradesh · 2023

• positive
  Basal conventional urea plus three foliar nano urea sprays (T3) gave significantly higher plant height of 134.5 cm than other treatments in direct seeded rice.

  compared with other treatments

Effect of Nitrogen and Zinc fertilization on Growth and Yield of Hybrid Rice (Oryza sativa L.) · 2023

• positive
  Nitrogen at 175 kg ha-1 and zinc at 25 kg ha-1 significantly increased hybrid rice growth characteristics relative to other combinations.

  compared with other nitrogen and zinc combination treatments

Effects of Planting Density and Nitrogen Fertilization on the Growth of Forage Rice in Reclaimed and General Paddy Fields · 2023

• positive
  N treatment increased the dry weight of forage rice in both locations.

Optimizing One-Time Nitrogen Fertilization for Rice Production Using Controlled-Release Urea and Urease Inhibitors · 2023

• positive
  CRU plus UI produced suitable rice leaf area and biomass accumulation during vegetative growth relative to conventional fertilization and CRU.

  compared with conventional fertilization and CRU treatment

Leaf Color Chart Can Increase Productivity and Foster Climate Smart Agriculture in Rice: A Case Study · 2023

• positive
  LCC-based urea application gave 34% more rice leaves than blanket urea application.

  compared with blanket urea application

cites 1 paper here

Effects of nitrogen fertilizer rates on grain yield and nitrogen use efficiency of japonica-indica hybrid rice cultivar Yongyou 1540 and its physiological bases · 2023

• positive
  Root mass, architecture, oxidation activity and root zeatin compounds increased through N2.

  compared with 0 kg hm-2

• positive
  Shoot dry weight increased across nitrogen rates.

  compared with 0 kg hm-2

Boosting Crop Growth Rates of Hybrid Rice (Pukhraj) through Synergistic Use of Organic Nitrogen Sources in Conjunction with Urea Nitrogen · 2024

• positive
  Urea with poultry manure gave the strongest crop growth rate among source combinations.

  compared with OS combinations

• positive
  In year two, equal nitrogen shares from urea and organic sources gave the highest crop growth rate.
• positive
  In year one, 75% urea nitrogen and 25% organic nitrogen gave the highest crop growth rate.

Nitrogen use efficiency and yield components of rice as influenced by reducing nitrogen application under salinity conditions in a pot experiment · 2024

• positive
  Under moderate salinity, increasing nitrogen significantly raised shoot dry weight and shoot N content.

  compared with non-saline conditions

cites 1 paper here

Optimizing nitrogen management can improve stem lodging resistance and stabilize the grain yield of japonica rice in rice–crayfish coculture systems · 2024

• positive
  Optimized N reduced lodging index by 1.8–19.5%.

  compared with conventional N application practice

• positive
  Optimized N reduced plant height by 4.0–4.8%.

  compared with conventional N application practice

• positive
  Optimized N reduced centre of gravity height by 0.5–4.5%.

  compared with conventional N application practice

• positive
  Optimized N increased culm diameter by 0.8–4.9%.

  compared with conventional N application practice

cites 3 papers here

Effect of Continuous Application of Nitrogen, Phosphorus and Potassium on Growth Parameters and Yield of Rice · 2024

• positive
  NPK at 120 kg N, 80 kg P2O5 and 40 kg K2O per ha significantly increased rice plant height at 30, 60, 90 DAS and harvest.

Impact of nitrogen, sulphur and silicon application on the growth and yield of lowland rice (Oryza sativa L.) in the Cauvery delta zone of Tamil Nadu  · 2024

• positive
  The combined N, S and Si treatment gave higher CGR (9.20 g/m2/day).
• positive
  The combined N, S and Si treatment gave higher LAI (6.74).
• positive
  The combined N, S and Si treatment gave higher plant height (110.48 cm).

NRT1.1B mediates rice plant growth and soil microbial diversity under different nitrogen conditions · 2024

• positive
  Plant height showed a positive linear trend in response to nitrogen application.

cites 2 papers here

PRODUCTIVITY AND GRAIN PROTEIN STATUS OF TRANSPLANTED AMAN RICE AS INFLUENCED BY THREE MAJOR AGRONOMIC PRACTICES UNDER SUBTROPICAL CONDITIONS · 2024

• positive
  The same combination produced 21.89 g dry matter per hill at 70 DAS.
• positive
  The same combination gave the highest leaf area index, 1.16.

cites 1 paper here

Effect of nitrogen and zinc, iron application on growth and yield attributes of rice · 2024

• positive
  Treatment 9 produced the highest dry weight at 52.13 g/hill.
• positive
  Treatment 9 produced the highest rice plant height of 104 cm.

Effect of Planting Geometry and Inorganic Fertilizers with Nano Urea on Growth Indices of Rice Crop (Oryza sativa L.) · 2024

• positive
  P1 geometry with F2 fertilizer produced significantly higher crop growth rate than other treatments, and was at par with P1 plus F3.

  compared with other treatments

• positive
  P1 plus F2 produced significantly higher net assimilation rate than other treatments.

  compared with other treatments

• positive
  P1 plus F2 produced significantly higher relative growth rate than other treatments.

  compared with other treatments

Effect of Different Nitrogen Levels and Herbicides on Growth Indices of Transplanted Rice (Oryza sativa L.) · 2024

• positive
  The 160 Kg N ha-1 treatment produced significantly higher crop growth rate, relative growth rate and net assimilation rate in rice.

Precision Nitrogen Management in Spring Rice (Oryza sativa L.) using Decision Support Tools in Chitwan, Nepal · 2024

• positive
  PCU enhanced height, leaf area index and above-ground dry matter.
• positive
  UDP enhanced height, leaf area index and above-ground dry matter.

Evaluation of Crop Establishment Methods and Nano Urea Versus Conventional Urea on Growth Indices in Rice Crop (Oryza sativa L.) · 2024

• positive
  The 60% RDN conventional urea plus 40% RDN nano urea combination gave the maximum net assimilation rate, significantly over the other treatments.

  compared with rest of the treatment

• positive
  The 60% RDN conventional urea plus 40% RDN nano urea combination gave higher crop growth rate and relative growth rate at 30-60, 60-90 and 90-harvest DAS/DAT.

  compared with rest of the treatment

• no effect
  The 60% RDN conventional urea plus 40% RDN nano urea combination was at par with the 40% plus 60% combination for net assimilation rate.

  compared with 40% RDN through conventional Urea + 60% RDN through Nano UreaNo difference from an alternative treatment

Physiological Response and Yield Components of Local Aceh Types of Rice (Oryza sativa L.) Due to Nitrogen Fertilizer Application · 2024

• positive
  Urea at 200 kg/ha gave the best relative growth rate

Water-Saving Irrigation and N Reduction Increased the Rice Harvest Index, Enhanced Yield and Resource Use Efficiency in Northeast China · 2024

• positive
  Controlled irrigation with nitrogen reduction increased the sugar–spikelet and grain–leaf ratios and leaf area index.

cites 1 paper here

Influence of Liquid Nano Urea Fertilizer on Growth and Yield of Summer Rice (Oryza sativa L.) under South Gujarat Conditions · 2024

• positive
  T8 significantly raised crop growth, relative growth and net assimilation rates during the stated intervals.
• positive
  T8 significantly raised chlorophyll content and leaf area index at 60 and 90 DAS.

Enhancing leaf area index and dry matter production in rice through enriched bio-digested bone sludge compost · 2024

• positive
  The combined compost and fertilizer treatment performed best for rice LAI and DMP.

Effect of different doses and method of application of nitrogen fertilizers on growth, yield and economics of wet direct seeded rice · 2024

• positive
  Drone applied nano urea produced plant height of 104.1 cm in direct seeded rice.
• positive
  Drone applied nano urea produced leaf area of 1247.4 in direct seeded rice.

Impact of Nitrogen and Silicon Amendments on Hopper Population in Rice · 2024

• positive
  High nitrogen raised rice dry weight relative to low nitrogen.

  compared with low nitrogen (30 kg/ ha) treatment

Strategic management of nano-fertilizers for sustainable rice yield, grain quality, and soil health · 2024

• positive
  Root length was maximum in T 10 treatment.

cites 1 paper here

Evaluation of Integrated nutrient management practices on growth, yield parameters and yield of improved traditional rice in the western zone of Tamil Nadu · 2024

• positive
  Plant height of rice was higher (85.0 cm) with the combined 50% inorganic N + 50% vermicompost N + foliar micronutrient treatment T11 than with other practices.

  compared with other practices

• positive
  Leaf area index was higher (4.99) with T11 than with other practices.

  compared with other practices

The Impact of Nano-fertilizers on Growth-attributing Characteristics in Transplanted Hybrid Rice (Oryza sativa L.) · 2024

• positive
  Application of 100% RDN with Nano Urea and Nano Zinc gave higher leaf area index than control at different crop stages.

  compared with Control

Optimizing rice (Oryza sativa) growth, productivity, profitability and nutrient uptake with coated urea and organic manure in the new alluvial zone of West Bengal · 2024

• positive
  T5 maximized leaf area index at 4.47.
• positive
  The T5 nutrient treatment maximized rice plant height at 110.8 cm.
• positive
  T5 maximized crop growth rate at 6.56 g/m2 /day.

Land suitability assessment to achieve optimal field rice yield · 2024

• positive
  After fertilizer improvement, the growth of field rice was better.

Effect of Nano Urea and Nano DAP on Growth, Yield and Nutrient Uptake of Transplanted Rice (Oryza sativa L.) · 2024

• positive
  The treatment produced higher leaf area of 954.8 cm2 plant-1.
• positive
  The treatment produced higher leaf area index of 4.77.

Response of Spring Rice Varieties to Different Nitrogen Management Practices in Kapilvastu, Nepal · 2024

• positive
  Leaf color chart nitrogen application gave the highest LAI (2.84).
• positive
  Leaf color chart nitrogen application gave the highest flag leaf length (31.063 cm).
• positive
  The recommended split nitrogen dose gave higher plant height (104.79 cm).

Optimized application of controlled-release nitrogen improves grain yield, nitrogen use efficiency, and lodging resistance in rice · 2024

• positive
  Combined controlled-release nitrogen reduced internode length.

  compared with conventional urea (T2)

• positive
  Combined controlled-release nitrogen reduced lodging index.

  compared with conventional urea (T2)

cites 6 papers here

Assessing the Influence of Bio-digested Bone Sludge Compost on Root Morphology in Rice Cultivation · 2024

• positive
  The combined treatment gave the highest rice root volume.
• positive
  The combined bone sludge and pressmud compost treatment with balanced N and K gave the highest rice root length.

Improving Nitrogen Fertilizer Management for Yield and N Use Efficiency in Wetland Rice Cultivation in Bangladesh · 2024

• positive
  Biochar with recommended prilled urea showed good growth results during three sequential years.

cites 2 papers here

Overexpression of Phytoglobin1 in Rice Leads to Enhanced Nitrogen Use Efficiency via Modulation of Nitric Oxide · 2024

• positive
  cPTIO-primed plants shifted to low nitrate had a positive growth response.

NITROGEN MANAGEMENT IN RICE CULTIVATION USING REJECTED SAGO STARCH COATED UREA PRILLS · 2024

• positive
  RSS-coated urea increased rice root length.
• positive
  RSS-coated urea enhanced rice growth performance.

Impact of phosphate-solubilizing and nitrogen-fixing bacteria on growth and yield of upland rice (Oryza sativa L.) in oil palm (Elaeis guineensis Jacq.) fields · 2024

• positive
  The 40 kg/ha mixture increased rice plant height by 33.48%.

  compared with without the application of a mixture of PSB and NFB

• positive
  The mixture increased rice leaf number by 38.14%.

  compared with without the application of a mixture of PSB and NFB

N-Doped Quantum Dots Promote Rice Germination and Enhance Its Drought Tolerance at Seedling Stage · 2024

• positive
  NQD priming improved rice seedling length, biomass and water content under drought.
• positive
  NQD priming improved rice germination and seedling growth under drought.

Integrated rice farming systems for improved growth, yield and pest reduction · 2024

• positive
  The integrated treatment with nano urea foliar spray gave the maximum growth and physiological parameters of rice over other treatments.

  compared with other treatments

cites 1 paper here

Effect of foliar application of fertilizers on growth and yield of upland paddy (Oryza sativa L.) · 2024

• positive
  RDF with 2% urea spray gave significantly higher plant height.

Effect of Rice Cultivation Practices and Nitrogen Management strategies on Growth and Yield Attributes in Rice under Rice-cowpea Cropping System · 2024

• positive
  transplanted rice with application of 100% RDN + foliar spray of 0.4% nano urea at tillering and PI stage gave superior leaf area index (5.04).
• positive
  100% RDN + foliar spray of 0.4% nano urea at tillering and PI stage gave higher leaf area index (4.80).

Effect of conjoint application of coated urea and organic manure on growth, productivity, profitability and nutrient acquisition of rice (Oryza sativa) · 2024

• positive
  75% RDN through PSCU+25% RDN through FYM produced highest CGR (6.56 g/m2/day).
• positive
  75% RDN through PSCU+25% RDN through FYM produced highest LAI (4.47).

Effect of Different Levels of Nitrogen and Silicon in Rice under Red and Laterite Soil · 2024

• positive
  nitrogen applied @ 20 kg/ha as basal + LCC-4 at 20 kg N/ha produced the highest plant height in rice (141.24 cm).
• positive
  nitrogen applied @ 20 kg/ha as basal + LCC-4 at 20 kg N/ha produced the highest LAI in rice (4.88).

cites 1 paper here

Effect of conjoint application of coated urea and organic manure on growth, productivity, profitability and nutrient acquisition of rice (Oryza sativa) · 2024

• positive
  T5 produced the highest CGR (6.56 g/m2/day).
• positive
  T5 produced the highest LAI (4.47).

The Nitrogen Fixation Characteristics of Terrestrial Nitrogen-Fixing Cyanobacteria and Their Role in Promoting Rice Growth · 2024

• positive
  Application of nitrogen-fixing cyanobacteria significantly promoted root development and plant height in rice.

Relative influence of nitrogen induced crop parameters on yield of rice using principal component analysis model · 2024

• positive
  Increasing nitrogen increased plant height, tiller number and leaf area index.

cites 1 paper here

EFFECT OF REPLACING UREA TOP DRESSING BY NANO UREA ON GROWTH AND ECONOMICS OF DIRECT SEEDED RICE (ORYZA SATIVA L.) UNDER RAINFED CONDITION · 2024

• positive
  The T6 urea and nano urea schedule produced the highest growth attributes.

  compared with Foliar Spray with Nano Urea at Active Tillering + Foliar Spray with Nano Urea at Panicle Initiation

Yield and Botanical Attributes of Rice Crop as Influenced by N and P Application to Rice Nursery Raised in Trays · 2024

• positive
  The highest fertilizer dose (T4) gave a shoot length of 28.03 cm.
• positive
  The highest fertilizer dose (T4) gave maximum root length of 14.27 cm in 2023.
• positive
  The highest fertilizer dose (T4) gave maximum root length of 15.30 cm in 2022.
• positive
  The highest fertilizer dose (T4) gave a shoot length of 30.57 cm.

Changes of root characteristics of super hybrid rice variety contributing to high nitrogen accumulation under low nitrogen application at seedling stage · 2024

• positive
  Under low nitrogen, YLY6 root diameter and cortical area increased by 12.4% and 24.2%.
• positive
  Under low nitrogen, YLY6 root dry weight, length, area and tip number rose by 41.3%, 57.1%, 74.9%, and 20.6%, respectively.
• negative
  Under low nitrogen, HHZ root diameter, cortical area, and stele diameter decreased by 12.0%, 21.9%, and 11.4%.

Yield Loss of a Rice Ratoon Crop is Affected by Nitrogen Supply in a Mechanized Ratooning System · 2025

• positive
  High nitrogen increased leaf area index.
• positive
  High nitrogen improved root vigor.

Influence of Different Nitrogen Levels and Weed Management Practices on Leaf Area Index of Dry Direct Seeded Rice (Oryza sativa L.) Under Temperate Conditions · 2025

• positive
  Nitrogen at 150 kg ha-1 gave the highest leaf area index in 2022 and 2023.
• positive
  Leaf area index increased in response to nitrogen levels.

One-Time Application of Polymer-Coated Urea Increased Rice Yield and Plant Nitrogen Uptake by Optimizing Root Morphological and Physiological Traits · 2025

• positive
  PCU improved root biomass growth rate compared with LFP.

  compared with LFP

• positive
  PCU improved specific root length (SRL) compared with LFP.

  compared with LFP

• positive
  PCU improved root length density compared with LFP.

  compared with LFP

• positive
  PCU improved root length compared with LFP.

  compared with LFP

cites 1 paper here

Soil Amendments and Slow-Release Urea Improved Growth, Physiological Characteristics, and Yield of Salt-Tolerant Rice Under Salt Stress Conditions · 2025

• positive
  Slow-release urea promoted rice root vitality relative to urea under S1 and S3.

  compared with urea

Mixed Ammonium-Nitrate Nutrition Regulates Enzymes, Gene Expression, and Metabolic Pathways to Improve Nitrogen Uptake, Partitioning, and Utilization Efficiency in Rice · 2025

• positive
  The 75:25 mixture increased rice root biomass by 69.5% over 100:0.

  compared with 100:0 ammonium-nitrate mixed treatment

• positive
  Rice stem nitrogen content increased by 64.0%.

  compared with 100:0 ammonium-nitrate mixed treatment

• positive
  Rice leaf nitrogen content increased by 65.5%.

  compared with 100:0 ammonium-nitrate mixed treatment

cited by 1 paper here

Influence of Organic and Mineral Fertilizer on Soil Proprieties and Performance of Rice (Oryza sativa) in Casamance, Senegal · 2025

• positive
  NPK plus Urea produced the highest biomass, 488.28 ± 60.83 g.

Comparison of Rice Yield among Farmer's Fertilizer Practices · 2025

• positive
  Urea + SSP improved rice growth metrics.

  compared with no fertilizer (control)

Impact of integrated nutrient management on growth, productivity and soil biochemical property of kharif rice · 2025

• positive
  The 25% organic and 75% inorganic STBNR treatment gave the highest plant height.
• positive
  The 25% organic and 75% inorganic STBNR treatment gave the highest leaf area index (LAI).

Impact of different row spacing and nitrogen levels on growth and yield of transplanted rice (Oryza sativa L.) · 2025

• positive
  The 30×15 cm spacing with 50 kg N/ha gave the maximum rice fresh weight of 803 g/m2.
• positive
  The 30×15 cm spacing with 50 kg N/ha gave the maximum rice plant height of 67.6 cm.

Response of Photosynthesis and Chlorophyll Fluorescence to Nitrogen Changes in Rice with Different Nitrogen Use Efficiencies · 2025

• positive
  With an increase in N supply, Jmax and Vcmax in JJ 88 show a relatively large increase.

cites 2 papers here

Effect of phosphorus management on growth, yield attributes and yields of basmati rice (Oryza sativa L.) · 2025

• positive
  Nano urea fertilizers are concluded to improve plant growth performance of basmati rice.

Assessing the Combined Effects of Nano-urea, Potassium Silicate and Micronutrients on Growth and Yield of Rice · 2025

• positive
  Nano urea plus potassium silicate and micronutrients gave the highest plant height in 2022 (103.5 cm).
• positive
  Nano urea plus potassium silicate and micronutrients gave the highest plant height in 2023 (100.6 cm).

Enhancing production, profitability and soil health with nano urea fertilization in late transplanted rice (Oryza sativa L.) · 2025

• positive
  100% conventional N through urea + two foliar sprays of 0.4% nano urea raised plant height versus other treatments.

  compared with other treatments

• positive
  100% conventional N through urea + two foliar sprays of 0.4% nano urea raised LAI versus other treatments.

  compared with other treatments

Influence of age of seedlings and nitrogen levels on growth and yield of rice (Oryza sativa L.) · 2025

• positive
  Plant dry weight per hill was highest (98.51 g) with 21-day-old seedlings plus 80% of the recommended nitrogen dose in rice.

Controlled‐release nitrogen application mitigated soil ammonia volatilization without compromising crop yields: a case study in Sichuan Basin paddy soil · 2025

• positive
  In rice–rapeseed rotation, 40% CRU produced the highest growth rate, 25.97 kg hm−2 day−1.

Synchrony in the demand and supply of nitrogen: variations in the proportion of nitrogen applied at different growth stages and the performance of lowland rice cultivars in derived savannah of Nigeria · 2025

• positive
  Increasing nitrogen rates significantly increased leaf assimilatory surface, shoot dry weight and sink size.

Effects of increased planting density and reduced nitrogen application on rice lodging resistance yield and quality · 2025

• positive
  DINS reduced N1 lodging index by 18.63-33.23%.

Effect of nano urea foliar application on urea reduction, rice productivity and economic feasibility · 2025

• positive
  The 100 % nitrogen conventional urea treatment significantly increased rice growth over lower nitrogen levels and control.

  compared with lower levels of N and control

Effect of Tillage System, Herbicide Weed Management, and N-Split Application on Yield and Milling Quality of Irrigated Rice (Oryza Sativa L.) in the Guinea Savannah Zone of Ghana · 2025

• positive
  Pendimethalin, triclopyr and four split nitrogen applications enhanced rice tillering at Golinga to 19 tillers per hill.

Assessment of Site-Specific Nutrient Management on Growth and Yield of Rice (Oryza sativa L. indica) · 2025

• positive
  Two LCC nutrient treatments significantly increased plant height, leaf area index and effective tillers.

Growth and growth indices of rice (Oryza sativa L.) as influenced by different sources of nano urea and mulches · 2025

• positive
  Nano urea conjugate (N3) gave higher values of the growth indices absolute growth rate (for plant height and dry matter accumulation) and crop growth rate in rice.
• positive
  Treatment N1, market-product nano urea at 40 ppm, showed higher relative growth rate and net assimilation ratio across all growth stages in rice.

Evaluation of Different Sources and Dosage Levels of Slow-Release Urea on Growth, Yield and Quality Parameters of Wet Direct-Seeded Rice (Oryza sativa L.) · 2025

• positive
  Cedar wood oil coated urea gave significantly highest plant height at flowering.

Effect of mineral nitrogen and organics on growth and yield of rice (Oryza sativa L.) in Typic Ustifluvents soil · 2025

• positive
  The combined 75% urea and 25% poultry manure treatment produced the highest rice growth parameters.

  compared with control (T1)

Effects Of Nitrogen and Different Rates of Pendimethalin with Bispyribac-Sodium on Direct-Seeded Aus Rice · 2025

• positive
  At 60 and 75 DAS, 80 kg N ha−1 gave the highest plant dry weight.
• no effect
  Nitrogen rates did not significantly affect plant dry weight at 15, 30 and 45 DAS.

Lodging management in upland rice (Oryza sativa L.) · 2025

• positive
  Wider-spaced dibbling with reduced N and increased K and Si could help rice resist lodging.
• positive
  The specified wider dibbling and nutrient treatment reduced lodging in upland rice.

Effect of Nano Urea on Growth, Productivity and Economic Return in Transplanted Rice (Oryza sativa L.) · 2025

• positive
  Treatment T2 produced maximum dry plant weight of 42.67.
• positive
  Treatment T2 produced maximum rice leaf area index of 6.07.
• positive
  Treatment T2 produced maximum fresh plant weight of 146.44 g.
• positive
  Treatment T2 produced maximum rice plant height of 108.66 cm.

Screening rice varieties for enhanced nitrogen use efficiency and yield based on root trait evaluation · 2025

• positive
  Full recommended nitrogen dose significantly increased root volume.
• positive
  Full recommended nitrogen dose significantly increased root dry weight.

Reducing nitrogen and regulating density enable sustainable production of rice–wheat rotation system in the lower reaches of Yangtze River of China : a two‐year rotation study · 2025

• positive
  RNRD increased resource use efficiency of rice compared with LCP.

  compared with local conventional practice (LCP)

cites 1 paper here

The transcription factor OsMADS61 positively regulates root elongation and nitrogen use efficiency in rice · 2025

• positive
  Rice roots elongated more under nitrate than ammonium, especially with low nitrogen.

  compared with ammonium

Neem, mahua and sesame seed cakes, and tamarind husk powder on improving nitrogen-use efficiency in rice · 2025

• positive
  Urea plus neem increased shoot dry weight, nitrogen concentration and nitrogen content over other treatments.

  compared with other treatments

Ways to increase rice yield in the Southern Russia · 2025

• positive
  Pre-sowing seed enrichment with ammonium nitrogen and phosphorus significantly increased rice germination.

Ammonium nutrition improves the yield of drip-irrigated rice by prolonging leaf photosynthetic capacity and enhancing source‒sink performance · 2026

• positive
  Nitrogen application increased rice biomass by 26.74%–30.71%.

Silicon fertilization drives metabolite–microbe synergy to stabilize rhizosphere nitrogen supply and improve drought resilience and yield stability in upland rice · 2026

• positive
  Combined silicon and metabolite application promoted upland rice growth.

Effect of bio-stimulant and nitrogen levels on growth and productivity of kharif rice · 2026

• positive
  Biostimulant and nitrogen levels significantly influenced rice growth attributes.

Effect of Precision Nitrogen Management on Growth and Yield of Rice (Oryza sativa L.) in Dimapur District of Nagaland, India · 2026

• positive
  SPAD based nitrogen application gave the highest leaf area index at 60 DAT, 0.1679.
• positive
  SPAD based nitrogen application gave the highest leaf area index at 30 DAT, 0.1015.
• positive
  SPAD based nitrogen application gave the highest plant height at 60 DAT, 89.93 cm.
• positive
  SPAD based nitrogen application gave the highest plant height at 90 DAT, 111.04 cm.

Root system architecture modulates nitrogen uptake and use efficiency, influencing grain yield in rice · 2026

• positive
  Ammonium nutrition improved biomass by up to 25.3% compared with nitrate.

  compared with nitrate

Effect of Nano Urea and Post-emergence Herbicides on Growth Performance of Aerobic Rice (Oryza sativa L.) · 2026

• positive
  Nano urea integrated with post-emergence herbicides significantly improved rice growth parameters versus herbicides alone and the weedy check.

  compared with herbicide-alone treatments and the weedy check

• positive
  Penoxsulam plus cyhalofop-butyl with 0.1 per cent nano urea produced superior growth attributes.

  compared with fenoxaprop-p-ethyl + ethoxysulfuron with 0.05 per cent nano urea

Comparative performance of biostimulants, nano urea on nutrient uptake efficiency and productivity of transplanted rice · 2026

• positive
  T₇ produced the highest height, LAI, chlorophyll index and dry matter.