Intervention effectmodel-written summary

Splitting nitrogen between pre-plant and V10 side-dress improved yield relative to 150 lb/a pre-plant.

A claim from Timing of Side-Dress Applications of Nitrogen for Corn in Conventional and No-Till Systems · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Splitting nitrogen between pre-plant and V10 side-dress improved yield relative to 150 lb/a pre-plant.

Treatment
splitting N rate between pre-plant and side-dress at the V10 growth stagee0
Outcome
Yieldse0
Direction
improvede0
Comparator
applying 150 lb/a pre-plante0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Corn”

✓ located verbatim in the source · title, characters 50–54
e0

“Yields were improved by either splitting N rate between pre-plant and side-dress at the V10 growth stage or adding additional side-dress N as compared with applying 150 lb/a pre-plant.”

✓ located verbatim in the source · abstract, characters 196–380

Title

Timing of Side-Dress Applications of Nitrogen for Corn in Conventional and No-Till Systems

D. W. Sweeney; D. Ruiz Diaz Kansas Agricultural Experiment Station Research Reports 2020. doi:10.4148/2378-5977.7908

Other claims from this paper (2)

Record rev-e3e60e7ae58ea0d20e6c267dd4b3a39ea558c659f70e65aa30f31e6c8f754fe6 · schema claims-v0.9 · position 2 in the model’s answer

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

98 papers: 41 positive, 57 negative or no effect

40 papers in the same direction as this claim · 55 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Withholding nitrogen from V8 to maturity reduced kernel yield by 22%.

    Nitrogen Uptake and Partitioning in Stay‐Green and Leafy Maize Hybrids · 2005

    Opposite direction

  2. negative
    Interseeding cover crops before V3 reduced corn grain yield.

    Evaluation of Cover Crops Drill Interseeded into Corn Across the Mid‐Atlantic Region · 2018

    Opposite direction

  3. no effect
    Delaying sidedress nitrogen until V10 after preplant application did not lower yield.

    EFFECT OF DELAYED NITROGEN FERTILIZATION ON MAIZE (ZEA MAYSL.) GRAIN YIELDS AND NITROGEN USE EFFICIENCY · 2012

    Opposite direction

  4. negative
    Flowering-stage shading reduced grain yield similarly to grain-filling shading.

    Source-sink relationships in maize grown in a cool-temperate area · 1991 · compared with the grain filling periods

    Opposite direction

  5. negative
    Higher temperature at maturity decreased grain yield of spring maize.

    Improving heat stress tolerance in late planted spring maize by using different exogenous elicitors · 2020

    Opposite direction

  6. negative
    Corn grain yield was 8 to 12% lower with nicosulfuron applied at the V7 growth stage than at the V3 or V5 growth stage.

    Effect of Nicosulfuron Rate, Adjuvant, and Weed Size on Annual Weed Control in Corn (Zea mays) · 1994 · compared with V3 or V5 growth stage

    Opposite direction

  7. no effect
    Early husk senescence selection did not affect yield.

    Indirect Inbred Selection to Reduce Grain Moisture in Maize Hybrids · 1994

    Opposite direction

  8. negative
    Significant yield loss occurred only after HD2.

    Corn Response to Harvest Date as Affected by Plant Population and Hybrid · 2011

    Opposite direction

89 papers more in this group

See all 98 papers →

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.