Intervention effectmodel-written summary

Rising nitrogen rate significantly increased spring maize yield to a point.

A claim from Effects of Nitrogen Rate on Grain Yield, Dry Matter Accumulation and LAI of DryLand Spring Maize · 2015

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Rising nitrogen rate significantly increased spring maize yield to a point.

Taxon
spring maizeZea mayse0
Treatment
rising of nitrogen ratee0
Outcome
spring maize yielde0
Direction
increasee0

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

“with the rising of nitrogen rate, the spring maize yield could significantly increase”

✓ located verbatim in the source · abstract, characters 354–439

Title

Effects of Nitrogen Rate on Grain Yield, Dry Matter Accumulation and LAI of DryLand Spring Maize

Feng Shang-zon Hubei nongye kexue 2015

Other claims from this paper (5)

Record rev-39f97e5466d5587fba149de28ee3a234d7ba5e0cd60ac2e1bf4f81793d2044fc · schema claims-v0.9 · position 1 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. 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

  2. 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

  3. 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

  4. 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

  5. no effect
    At high N rates, yields under the two tillage systems were approximately equal.

    Soil Nitrogen Availability after Long‐term Continuous No‐tillage and Conventional Tillage Corn Production · 1986

    Opposite direction

  6. negative
    Pretreatment with inhibitors of NOS and nitrate reductase blocked the water stress-induced increase in NO production in maize.

    Nitric Oxide Reduces Hydrogen Peroxide Accumulation Involved in Water Stress‐induced Subcellular Anti‐oxidant Defense in Maize Plants · 2008

    Opposite direction

  7. no effect
    Amending urea with KCI did not significantly change yield, ear-leaf nitrogen or nitrogen uptake in the tested year.

    Nitrogen Fertilizer Source, and Method and Time of Application Effects on No‐till Corn Yields and Nitrogen Uptakes1 · 1986 · compared with unamended surface‐applied counterparts

    Opposite direction

  8. negative
    Rate of dry matter accumulation in maize decreased with declining N supply.

    Influence of N supply on development and dry matter accumulation of an old and a new maize hybrid · 1994

    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.