Intervention effectmodel-written summary

With no weed control, N application reduced grains per row by 48%.

A claim from Broadcast nitrogen application can negatively affect maize leaf area index and grain yield components under weed competition · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

With no weed control, N application reduced grains per row by 48%.

Taxon
maizeZea mayst0
Treatment
N applicatione0
Interactor
weede0weed
Outcome
grains per rowe0
Direction
reductionse0
Value
48%e0
Comparator
no weed controle0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingQualifier

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

“Under no weed control, N application increased weed biomass by ∼58%, which resulted in reductions of 57% in leaf area index, 6.9% in rows per cob, 48% in grains per row, and 18.7% in grain weight.”

✓ located verbatim in the source · abstract, characters 974–1170
t0

“maize”

✓ located verbatim in the source · title, characters 53–58

Title

Broadcast nitrogen application can negatively affect maize leaf area index and grain yield components under weed competition

Henrique Rasera Raniro; Francielli Oliveira; João Otávio Araujo; et al. Farming System 2023. doi:10.1016/j.farsys.2023.100047

Other claims from this paper (6)

Record rev-e4731ccc8820a37007aa7c449f6e9876780706df77dc892af4a06363f905b556 · schema claims-v0.9 · position 4 in the model’s answer

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

2,185 papers: 1,906 positive, 279 negative or no effect

1,905 papers in the same direction as this claim · 234 in the opposite direction · 45 reporting no difference from an alternative

  1. positive
    Increasing N rates enhanced plant height, ear diameter and mass of 100 grains of maize.

    Maize Yield Response to Nitrogen Rates and Sources Associated with Azospirillum brasilense · 2019

    Same directionCited by this paper

  2. positive
    The specified 92 kg N rate and split timing produced the highest stover yield of 9.99 t ha −1.

    Effects of timing and nitrogen fertilizer application rates on maize yield components and yield in eastern Ethiopia · 2022

    Same directionCited by this paper

  3. positive
    Nitrogen at five leaves increased yield components except thousand grain weight, conditional on preceding crop.

    Grain Yield and Yield Components at Maize under Different Preceding Crops and Nitrogen Fertilization Conditions · 2016

    Same directionCited by this paper

  4. positive
    Grain yield was highest at 180 kg/ha N.

    Effect of Different Doses of Nitrogen on Growth and Grain Yield of Hybrid Maize (Zea mays L., Gold 97) · 2024

    Same directionCites this paper

  5. negative
    Low nitrogen decreased maize grain yield.

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

    Opposite direction

  6. no effect
    Nitrogen timing did not affect corn production in the other two years.

    Corn Production as Affected by Nitrogen Application Timing and Tillage · 2004

    Opposite direction

  7. negative
    For the two years after 1992, losses were significantly higher for 134 kg N ha−1 on the clay loam.

    Nitrate Leaching and Nitrogen Budget as Affected by Maize Nitrogen Rate and Soil Type · 2000

    Opposite direction

  8. negative
    Nitrogen stress reduced kernel number of maize in field conditions.

    Nitrogen Deficiency in Maize: II. Carbon‐Nitrogen Interaction Effects on Kernel Number and Grain Yield · 1995

    Opposite direction

2,176 papers more in this group

See all 2,185 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.