Intervention effectmodel-written summary

The same nutrient application improved grain and stover yield and shelling percentage in maize.

A claim from Effect of Potassium and Zinc Nutrition on Growth and Yield of Short Duration Maize (Zea mays L.) under Dryland Vertisols · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same nutrient application improved grain and stover yield and shelling percentage in maize.

Taxon
maizeZea mayse0
Treatment
potassium at 60 kg K2O ha-1 and 30 kg of ZnSO4 ha-1e0
Outcome
grain yield, stover yield and shelling percentagee0
Direction
improvede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“application of potassium at 60 kg K2O ha-1 and 30 kg of ZnSO4 ha-1 resulted improved plant height, number of functional leaves plants-1, leaf area index, dry matter accumulation, grain yield, stover yield and shelling percentage in maize.”

✓ located verbatim in the source · abstract, characters 730–968

Title

Effect of Potassium and Zinc Nutrition on Growth and Yield of Short Duration Maize (Zea mays L.) under Dryland Vertisols

Subhradip Bhattacharjee; V.M. Bhale; Pramod Kumar; et al. Indian Journal of Agricultural Research 2021. doi:10.18805/ijare.a-5892

Other claims from this paper (2)

Record rev-e6a047882869bd66ce4edda0de092f16268902eafb3cfcb484933a0444407951 · schema claims-v0.9 · position 2 in the model’s answer

zinc sulfate · yield · Zea mays (maize)Results differ

128 papers: 124 positive, 4 negative or no effect

123 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Zinc sulfate at 25 versus 35 kg ha -1 did not significantly alter maize grain yield.

    Production and Profitability of Maize as Influenced by Different Levels of Nitrogen, Phosphorus and Zinc in Central Plateau Zone of Maharashtra · 2017

    Opposite direction

  2. no effect
    Zinc sulfate doses produced no change in grain yield.

    FOLIAR FEEDING WITH ZINC AS A BIOFORTIFICATION STRATEGY IN MAIZE · 2019

    Opposite direction

  3. negative
    Foliar ZnSO 4 was less effective than soil applied Zn on the more calcareous soil.

    III. Response of sweet corn to sources of zinc · 1977 · compared with soil‐applied Zn

    Opposite direction

  4. no effect
    M1 plus S8 was on par with M1 plus S4.

    Growth and Yield of Rabi Maize (Zea mays L.) at Different Planting Densities and N-Levels · 2017 · compared with M1 (1,00,000 plants ha-1) and S4 (300 kg N ha-1)

    No difference from an alternative

  5. positive
    Optimal zinc fertilizer increased summer maize grain yield.

    Effects of zinc fertilizer rate and application method on photosynthetic characteristics and grain yield of summer maize · 2016

    Same direction

  6. positive
    ZnSO4 yielded the highest corn dry matter production.

    Influence of water solubility of granular zinc fertilizers on plant uptake and growth · 1999

    Same direction

  7. positive
    Sole and combined zinc and iron sulfate application improved maize yield attributes.

    Biofortification of maize with zinc and iron not only enhances crop growthbut also improves grain quality · 2021

    Same direction

  8. positive
    Foliar spray of ZnSO4 at the 9-leaf stage gave the maximum grain yield in maize hybrid Monsanto-6525.

    Exploring the Role of Zinc in Maize (Zea Mays L.) through Soil and Foliar Application · 2015

    Same direction

119 papers more in this group

See all 128 papers →

potassium · yield · Zea mays (maize)Positive and negative results

320 papers: 291 positive, 29 negative or no effect

290 papers in the same direction as this claim · 28 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Yield was not increased by K application.

    Maize Response to Fertilizer and Nitrogen Use Efficiency in Uganda · 2012

    Opposite direction

  2. negative
    Annual blanket N, P and K rates did not produce optimum maize yield under intensive land use.

    Response of maize to nitrogen, phosphorus, and potassium fertilizers in the savanna zones of Nigeria · 1995

    Opposite direction

  3. no effect
    Grain yield seldom responded to P and K fertilization.

    Over‐Fertilization Does Not Build Soil Test Phosphorus and Potassium in Ohio · 2018

    Opposite direction

  4. no effect
    Nano-N with 75% conventional N gave wheat and maize grain yield at par with full conventional fertilizer.

    Changes in microbial community structure and yield responses with the use of nano-fertilizers of nitrogen and zinc in wheat–maize system · 2024 · compared with N 100 PK

    Opposite direction

  5. no effect
    Potassium application did not significantly increase corn yield.

    The Relationships among Corn Yields, Leaf Composition and Fertilizers Applied · 1954

    Opposite direction

  6. negative
    Corn yield tended to be lower, by an average of 18.2%, with high K and no B than with low K and no B in 1982 and 1984.

    Potassium, Boron, Nitrogen, and Lime Effects on Corn Yield and Earleaf Nutrient Concentrations1 · 1987 · compared with low K was added with no B

    Opposite direction

  7. no effect
    Potash did not significantly affect corn yield on Tracy soil.

    Magnesium Deficiency and Corn Yield on Two Acid Indiana Soils · 1958

    Opposite direction

  8. no effect
    Corn grain yield was unaffected by potassium application at all sites.

    Impact of Banded Potassium on Crop Yield and Soil Potassium in Ridge‐Till Planting · 2004

    Opposite direction

311 papers more in this group

See all 320 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.