Intervention effectmodel-written summary

Higher N rate increased maize leaf N content.

A claim from Agronomic performance of urea in pastilled compositions applied on maize fertilization · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher N rate increased maize leaf N content.

Taxon
maizeZea mayse0
Treatment
N ratee0
Outcome
leaf N contente0
Direction
highere0

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

“The greater was the N rate applied, the higher were the leaf N content and grain yield of maize.”

✓ located verbatim in the source · abstract, characters 718–814

Title

Agronomic performance of urea in pastilled compositions applied on maize fertilization

W.M. Santos; I. Barros; E.P. Pacheco; et al. Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences 2020. doi:10.5039/agraria.v15i3a6914

Other claims from this paper (8)

Record rev-3f7e19016e195fbb2b72166baf1e42948abbe672499a8b27741ace3d1c24923d · schema claims-v0.9 · position 1 in the model’s answer

nitrogen · nutrient: content · Zea mays (maize)Positive and negative results

489 papers: 403 positive, 86 negative or no effect

402 papers in the same direction as this claim · 83 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    Higher N rates may increase leaf P, Cu, and Fe concentrations.

    Corn Yield and Foliar Diagnosis Affected by Nitrogen Fertilization and Inoculation with Azospirillum brasilense · 2016

    Same directionCited by this paper

  2. no effect
    Decreasing nitrate flux to the leaves left leaf nitrate contents unchanged.

    Nitrate Reductase Activity in Maize (Zea mays L.) Leaves · 1976

    Opposite direction

  3. negative
    Low nitrogen reduced ear-leaf specific nitrogen content by 38%.

    Within-Leaf Nitrogen Allocation in Adaptation to Low Nitrogen Supply in Maize during Grain-Filling Stage · 2016

    Opposite direction

  4. no effect
    Plant density and N rate treatments did not modify P, K and S partitioning to plant components during vegetative or reproductive periods.

    Maize Nutrient Accumulation and Partitioning in Response to Plant Density and Nitrogen Rate: I. Macronutrients · 2013

    Opposite direction

  5. no effect
    Nitrogen sources did not differ significantly in corn N accumulation.

    Fate of Nitrogen‐15 Enriched Ammonium Nitrate Applied to Corn · 1993

    Opposite direction

  6. negative
    Nitrogen fertilizer reduced grain Ca and Zn concentrations in maize.

    Mineral Composition of the Grains of Tropical Maize Varieties as Affected by Pre‐Anthesis Drought and Rate of Nitrogen Fertilization · 2005

    Opposite direction

  7. no effect
    Ammonium did not retard nitrate uptake.

    Uptake and Assimilation of Ammonium‐N and Nitrate‐N and Their Influence on the Growth of Corn (Zea mays L.)1 · 1972

    Opposite direction

  8. negative
    Six P-solubilizing strains completely failed to promote P acquisition in maize fertilized with nitrate and Rock-P in a calcareous sub-soil

    The Form of N Supply Determines Plant Growth Promotion by P-Solubilizing Microorganisms in Maize · 2019

    Opposite direction

480 papers more in this group

See all 489 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.