Intervention effectmodel-written summary

The specified NPK and zinc treatment maximized seed yield in cotton versus the zero zinc treatment.

A claim from Growth Yield and Yield Components of Cotton as Influenced By NPK Ratios in Combination of Foliar Application of Zinc Levels under Tandojam Conditions · 2015

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The specified NPK and zinc treatment maximized seed yield in cotton versus the zero zinc treatment.

Treatment
NPK ratio 100-60-40 kg ha -1 + 2% four times foliar application of zince0
Outcome
seed yielde0
Direction
maximume0
Value
3189 kg ha - 1e0
Comparator
NPK ratio @ 140-80-60 kg ha -1 + 0% foliar application of zince0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Plots treated with NPK ratio 100-60-40 kg ha -1 + 2% four times foliar application of zinc produced maximum plant height (142 cm), sympodial branches plant -1 (27), productive bolls plant -1 (34), staple length (31.75 mm), seed weight plant -1 (109 g), ginning out turn (G.O.T) (37.26%) and seed yield (3189 kg ha - 1 ) as compared with NPK ratio @ 140-80-60 kg ha -1 + 0% foliar application of zinc.”

✓ located verbatim in the source · abstract, characters 827–1227
t0

“Cotton”

✓ located verbatim in the source · title, characters 37–43

Title

Growth Yield and Yield Components of Cotton as Influenced By NPK Ratios in Combination of Foliar Application of Zinc Levels under Tandojam Conditions

Aneel Ahmed Korejo Pure and Applied Biology 2015. doi:10.19045/bspab.2015.42017

Other claims from this paper (6)

Record rev-b4b1d7da1de1db2d5e4cec33cb7d88ab2813b5efa71a8da7349d8e4a8055251b · schema claims-v0.9 · position 7 in the model’s answer

zinc atom · yield · Gossypium hirsutum (cotton)Results differ

49 papers: 46 positive, 3 negative or no effect

45 papers in the same direction as this claim · 3 in the opposite direction

  1. positive
    Zinc use increased boll bearing, boll weight, seed index and seed cotton yield.

    Zinc Fertilization Impact on Irrigated Cotton Grown in an Aridisol: Growth, Productivity, Fiber Quality, and Oil Quality · 2010

    Same directionCited by this paper

  2. no effect
    Zinc methods did not affect cotton yield or yield components except plant height.

    The effect of zinc application methods on seed cotton yield, lint and seed quality of cotton (Gossypium hirsutum L.) in east Mediterranean region of Turkey · 2011

    Opposite direction

  3. negative
    Balanced nutrients increased cotton yield by 15% to 16%.

    Balanced Nutrient Management for Crop Intensification and Livelihood Improvement: A Case Study from Watershed in Andhra Pradesh, India · 2014 · compared with farmers? practice (FP)

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  4. negative
    P, K and Zn plots yielded less than plots receiving an equal amount of N.

    Drip Irrigated Cotton Responses to Fertilizer Levels, Varieties and Plant Population · 1987 · compared with an equal amount of N

    Opposite direction

  5. positive
    Zinc outperformed other nutrients in raising boll weight.

    Role of mineral nutrition in alleviation of heat stress in cotton plants grown in glasshouse and field conditions · 2019 · compared with all other nutrients

    Same direction

  6. positive
    Adding Zn to Richland soil increased cotton yields.

    Fitting Plants Nutritionally to Soils. II. Cotton1 · 1977

    Same direction

  7. positive
    zinc increased cottonseed yield ha –1 , seed index.

    Effect of Nitrogen Fertilization and Foliar Application of Plant Growth Retardants and Zinc on Cottonseed, Protein and Oil Yields and Oil Properties of Cotton · 2001

    Same direction

  8. positive
    Combined potassium and zinc under salinity increased photosystem II photochemical yield, photosynthesis and transpiration.

    Zinc and potassium fertilizer recommendation for cotton seedlings under salinity stress based on gas exchange and chlorophyll fluorescence responses · 2020

    Same direction

40 papers more in this group

See all 49 papers →

application · yield · Gossypium hirsutum (cotton)Positive and negative results

283 papers: 253 positive, 30 negative or no effect

252 papers in the same direction as this claim · 27 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
    Foliar methanol did not increase cotton yield at any location.

    Foliar Methanol Applications to Cotton in the Southeastern United States: Leaf Physiology, Growth, and Yield Components · 1995

    Opposite direction

  2. negative
    Fluazifop at four weeks gave cotton 93% of weed-free yield.

    Growth and Interaction of Bermudagrass (Cynodon dactylon) by Cotton (Gossypium hirsutum) · 1991 · compared with weed-free cotton

    Opposite direction

  3. negative
    Peak flowering spraying somewhat reduced weight of late opening bolls.

    Cotton Flowering and Fruiting Responses to Application Timing of Chemical Growth Retardants1 · 1975

    Opposite direction

  4. no effect
    Foliar fertilizers produced no significant yield response.

    Effects of foliar fertilization of texas southern high plains cotton: Leaf phosphorus, potassium, zinc, iron, manganese, boron, calcium, and yield distribution · 1999

    Opposite direction

  5. no effect
    First-harvest lint yield was generally unaffected by foliar treatments.

    Influence of surfactants on potassium uptake and yield response of cotton to foliar potassium nitrate · 1995

    Opposite direction

  6. no effect
    Foliar fertilizers did not significantly affect lint or seed yield.

    Effects of Foliar Fertilization of Texas Southern High Plains Cotton: Leaf Nitrogen and Growth Parameters · 1998

    Opposite direction

  7. negative
    A single 1 mL water spray reduced cotton seed set by 55%.

    Sprinkler‐Induced Flower Losses and Yield Reductions in Cotton (Gossypium hirsutum L.) · 2003

    Opposite direction

  8. no effect
    Lint yields were similar with early or early plus midseason glyphosate sprays.

    Timing of Glyphosate Application on Control of Silverleaf Nightshade and Glyphosate-Resistant Cotton Yield · 2006

    Opposite direction

274 papers more in this group

See all 283 papers →

fertilization · yield · Gossypium hirsutum (cotton)Positive and negative results

550 papers: 497 positive, 53 negative or no effect

496 papers in the same direction as this claim · 47 in the opposite direction · 6 reporting no difference from an alternative

  1. no effect
    Cotton yields did not respond to K fertilization above 160 kg K2O/ha.

    Effects of Rate and Time of Potassium Application on Cotton Yield and Quality in Turkey · 2002

    Opposite direction

  2. no effect
    Potassium fertilization did not affect cotton flower production at either planting date.

    Planting Date and Potassium Fertility Effects on Cotton Yield and Fiber Properties · 1998

    Opposite direction

  3. negative
    At sympodia 5 through 10, fruiting site 1 boll production fell from 49% at zero nitrogen to 36% at 168 kg ha−1.

    Nitrogen Effects on Boll Production of Field‐Grown Cotton · 1993 · compared with 0 N rate

    Opposite direction

  4. no effect
    Calcium or magnesium salts without liming did not raise low cotton yields.

    Long‐Term Liming Effects on Coastal Plain Soils and Crops · 2001

    Opposite direction

  5. no effect
    Fertilizer N did not influence cotton yield after pea cover.

    Cotton Yield and Fiber Quality Response to Green Manures and Nitrogen · 1993

    Opposite direction

  6. no effect
    P fertilizer did not affect cotton lint yield at Lamesa in 2000.

    Influence of Landscape Position, Soil Series, and Phosphorus Fertilizer on Cotton Lint Yield · 2003

    Opposite direction

  7. no effect
    Potassium fertilization had no effect on cotton yield.

    Influence of Boron, Nitrogen, and Potassium on Yield, Nutrient Uptake, and Abnormalities of Cotton · 1969

    Opposite direction

  8. no effect
    Phosphorus fertilizer had no effect on biomass production.

    Phosphorus Use-Efficiency by Cotton Grown in an Alkaline Soil as Determined Using32Phosphorus and33Phosphorus Radio-Isotopes · 2008

    Opposite direction

541 papers more in this group

See all 550 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.