Intervention effectmodel-written summary

Hairy vetch with spring 101 kg N/ha gave the highest postharvest LAI, 2.57.

A claim from (12) Influence of Single and Biculture Cover Crops with or without Synthetic Nitrogen on Leaf Area Index and Above Ground Biomass Yields of Sweet Corn · 2006

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hairy vetch with spring 101 kg N/ha gave the highest postharvest LAI, 2.57.

Taxon
Sweet Cornt0
Treatment
Hairy vetch; spring-101 kg N/hae0
Outcome
one week after harveste0
Direction
higheste0
Value
2.57e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

Verbatim

e0

“Hairy vetch; spring-101 kg N/ha produced highest LAI at tasseling (2.18), silking (2.73), and one week after harvest (2.57).”

✓ located verbatim in the source · abstract, characters 1128–1252
t0

“Sweet Corn”

✓ located verbatim in the source · title, characters 140–150

Title

(12) Influence of Single and Biculture Cover Crops with or without Synthetic Nitrogen on Leaf Area Index and Above Ground Biomass Yields of Sweet Corn

Wayne F. Whitehead; Bharat P. Singh HortScience 2006. doi:10.21273/hortsci.41.4.1063b

Other claims from this paper (10)

Record rev-aa1041dea2e09eea8d1492aeb0818adcf031613f11a5d9c1b83814d076e14eff · schema claims-v0.9 · position 3 in the model’s answer

Vicia villosa · yield · Zea mays (maize)Positive and negative results

54 papers: 45 positive, 9 negative or no effect

44 papers in the same direction as this claim · 5 in the opposite direction · 4 reporting no difference from an alternative

  1. negative
    Cover crops other than hairy vetch alone reduced sweet corn emergence, height, and yield.

    Weed Control and Sweet Corn (Zea maysvar.rugosa) Response in a No-till System with Cover Crops · 1996

    Opposite direction

  2. negative
    Untreated vetch reduced April-planted corn yield over 76%.

    Weed and Corn (Zea mays) Responses to a Hairy Vetch (Vicia villosa) Cover Crop · 1993

    Opposite direction

  3. negative
    The three-species cover crop mix had the lowest corn yields.

    Evaluation of single and mixed cover crops species in a sandy loam soil under corn production · 2024 · compared with all treatments

    Opposite direction

  4. no effect
    Corn yield did not differ significantly among the preceding legume sequences at College Station.

    Effects of Legumes in Different Cropping Systems on Yield of Corn · 1952

    Opposite direction

  5. no effect
    Intercropping rye or hairy vetch into sweet maize did not influence sweet maize stover biomass yield or nutritive value after the winter.

    Relay Intercropping Winter Cover Crop Effects on Spring Forage Potential of Sweet Maize Stover and Yearling Cattle Beef Performance · 2022

    Opposite direction

  6. no effect
    Inclusion of crimson clover or hairy vetch in winter grain seedings did not change corn yields.

    Winter Cover Crops for Sod‐Planted Corn: Their Selection and Management1 · 1967 · compared with winter grain seedings

    No difference from an alternative

  7. no effect
    Second-year corn yield after hairy vetch was 15.3 Mg/ha and did not statistically differ from the 140 kg N/ha fertilizer treatment.

    Cover crop contributions to N supply and water conservation in corn production · 1991 · compared with 140 kg N/ha fertilizer rate

    No difference from an alternative

  8. no effect
    Corn grain yield was unaffected following hairy vetch at either termination time.

    Effect of cover crop species and termination timing on corn growth and seedling disease · 2024 · compared with no cover crop

    No difference from an alternative

45 papers more in this group

See all 54 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.