Intervention effectmodel-written summary

Flowering foliar sprays gave no significant yield improvement.

A claim from YIELD AND QUALITY OF MAIZE (Zea mays L.) AS AFFECTED BY FOLIAR APPLICATION OF N AND Zn AT FLOWERING · 2004

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Flowering foliar sprays gave no significant yield improvement.

Taxon
MAIZEZea mayst0
Treatment
foliar sprays of urea, Zn or both at floweringe0
Outcome
yielde0
Direction
did not result in any significant improvemente0

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

t0

“MAIZE (Zea mays L.)”

✓ located verbatim in the source · title, characters 21–40
e0

“foliar sprays of urea, Zn or both at flowering did not result in any significant improvement in dry matter production, yield components and yield.”

✓ located verbatim in the source · abstract, characters 2580–2726

Title

YIELD AND QUALITY OF MAIZE (Zea mays L.) AS AFFECTED BY FOLIAR APPLICATION OF N AND Zn AT FLOWERING

Aruna Mullapudi 2004

Other claims from this paper (12)

Record rev-cb2e54988b58ef0f2fe88921ced9f8ff78c71867e2ad93b9ad86a76f68bdcc40 · schema claims-v0.9 · position 10 in the model’s answer

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

441 papers: 391 positive, 50 negative or no effect

50 papers in the same direction as this claim · 390 in the opposite direction

  1. no effect
    Applied Zn did not produce a corn yield response at two sites.

    EFFECT OF ZINC APPLICATIONS ON CORN AT TWO SITES EXHIBITING LOW PLANT TISSUE ZINC CONCENTRATIONS IN PRINCE EDWARD ISLAND · 1987

    Same directionCited by this paper

  2. positive
    Maize grain yield responded significantly to zinc foliar application in two of three study years.

    Effect of zinc foliar application on grain yield of maize and its yielding compone · 2009

    Opposite direction

  3. positive
    Foliar Zn at 0.1–0.2% improved maize growth, yield and yield components under moisture stress.

    Potassium Management for Improving Growth and Grain Yield of Maize (Zea mays L.) under Moisture Stress Condition · 2016

    Opposite direction

  4. positive
    Both zinc sources significantly increased maize dry matter yield compared with control.

    Mobility and Availability to Plants of Two Zinc Sources Applied to a Calcareous Soil · 2003 · compared with the control treatment

    Opposite direction

  5. positive
    Combined foliar Zn and B harvested 12% more maize yield than seed priming.

    Foliar application of Zinc and Boron improved the productivity and net returns of maize grown under rainfed conditions of Pothwar plateau · 2017 · compared with seed priming

    Opposite direction

  6. positive
    Zn plus Mn seed priming increased field grain yield by 15%.

    Impact of Nutrient Seed Priming on Germination, Seedling Development, Nutritional Status and Grain Yield of Maize · 2015

    Opposite direction

  7. positive
    Soil Zn fertilizer increased maize yield by 4.2-16.7%.

    Soil Application of Zinc Fertilizer Increases Maize Yield by Enhancing the Kernel Number and Kernel Weight of Inferior Grains · 2020

    Opposite direction

  8. positive
    Applications of S, B and Zn gave significant yield responses in maize, castor, groundnut and mung bean.

    Widespread Deficiencies of Sulfur, Boron, and Zinc in Indian Semi-Arid Tropical Soils: On-Farm Crop Responses · 2007

    Opposite direction

432 papers more in this group

See all 441 papers →

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

98 papers: 41 positive, 57 negative or no effect

56 papers in the same direction as this claim · 41 in the opposite direction

  1. positive
    Delayed harvest increased the proportion of grain in the whole-plant yield, compensating for the lower digestibility.

    RELATIONSHIPS AMONG WHOLE-PLANT MOISTURE, GRAIN MOISTURE, DRY MATTER YIELD, AND QUALITY OF WHOLE-PLANT CORN SILAGE · 1975

    Opposite direction

  2. positive
    The application of extract every 2 weeks to maturity (M3) gave the highest dry matter, root weight, height and crop yields for maize in the field.

    Effect of Moringa Extract on Growth and Yield of Maize and Common Beans · 2013

    Opposite direction

  3. positive
    Earlier protection produced higher yield than protection at later growth stages.

    Maize Yield Response to Chemical Control of Spodoptera frugiperda at Different Plant Growth Stages in South Africa · 2021 · compared with protected during later growths stages

    Opposite direction

  4. positive
    Deficit irrigation at flowering with medium density under RFRH increased maize grain yield by 21% over conventional flat planting

    Deficit irrigation and planting patterns strategies to improve maize yield and water productivity at different plant densities in semi-arid regions · 2017 · compared with conventional flat planting

    Opposite direction

  5. positive
    Ear weight ‐increased with a decrease in row spacing and plant population and with increased time required for maturity.

    Row Spacing and Population Effects on Corn Yields1 · 1971

    Opposite direction

  6. positive
    Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.

    Selection for Early Flowering in Corn1 · 1972

    Opposite direction

  7. positive
    Simulated maize yield rose by 1.5 ton per ha (23%) across the region by changing to a cultivar with longer maturity.

    Narrowing the Agronomic Yield Gaps of Maize by Improved Soil, Cultivar, and Agricultural Management Practices in Different Climate Zones of Northeast China · 2016

    Opposite direction

  8. positive
    Maize treatment T6, deficit irrigation at mid and maturity stages, had the highest grain yield of 8842 Kg/ha.

    Field experimentation based simulation of yield response of maize crop to deficit irrigation using AquaCrop model, Arba Minch, Ethiopia · 2015

    Opposite direction

89 papers more in this group

See all 98 papers →

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

629 papers: 575 positive, 54 negative or no effect

54 papers in the same direction as this claim · 574 in the opposite direction

  1. positive
    Foliar fertilization significantly increased grain yield by 16.6% in year one.

    Planting Date and Foliar Fertilization of Corn Grown for Silage and Grain under Limited Moisture1 · 1986

    Opposite directionCited by this paper

  2. positive
    Foliar urea was as effective as soil application at increasing maize grain yield.

    Methods and time of application of labelled nitrogen and phosphorus fertilizers in maize (Zea mays L.) cultivation · 1985 · compared with soil applications

    Opposite directionCited by this paper

  3. negative
    Foliar fertilizer applied from 2 weeks after silking reduced corn grain yield by 6.4% in 1977.

    Corn Grain Yield and Nutrient Response to Foliar Fertilizer Applied during Grain Fill1 · 1982

    Same directionCited by this paper

  4. no effect
    Grain yield and N content, and the accumulation of dry weight and reduced N by the whole plant, were unaffected by the spray treatments in 1981.

    Foliar Applications of Nutrients on Maize. I. Yield and N Content of Grain and Stover1 · 1984

    Same directionCited by this paper

  5. no effect
    Grain and stover yields were unaffected by the urea spray treatment in maize.

    Effect of Foliar Applications of Urea on Accelerated Senescence of Maize Induced by Ear Removal · 1985

    Same directionCited by this paper

  6. positive
    Foliar-applied trehalose significantly increased plant biomass production in maize under water deficit.

    Induction of Drought Tolerance in Maize (Zea mays L.) due to Exogenous Application of Trehalose: Growth, Photosynthesis, Water Relations and Oxidative Defence Mechanism · 2011

    Opposite direction

  7. positive
    Soil PGPR improved yield-related traits and maize productivity at longer irrigation intervals.

    Minimizing the Adversely Impacts of Water Deficit and Soil Salinity on Maize Growth and Productivity in Response to the Application of Plant Growth-Promoting Rhizobacteria and Silica Nanoparticles · 2021

    Opposite direction

  8. positive
    Maize grain yield responded significantly to zinc foliar application in two of three study years.

    Effect of zinc foliar application on grain yield of maize and its yielding compone · 2009

    Opposite direction

620 papers more in this group

See all 629 papers →

3 of 4 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.