Intervention effectmodel-written summary

In conservation agriculture, 125 kg N ha -1 gave yields comparable to 150 kg N ha -1.

A claim from Beneath-the-surface nitrogen placement sustains maize productivity and soil health under long-term conservation agriculture in the NW Indo-Gangetic Plains · 2026

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In conservation agriculture, 125 kg N ha -1 gave yields comparable to 150 kg N ha -1.

Taxon
maizeZea mayst0
Treatment
125 kg N ha -1e0
Outcome
yieldse0
Direction
comparablee0
Comparator
150 kg N ha -1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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 125 kg N ha -1 produced yields comparable to 150 kg N ha -1 in CA”

✓ located verbatim in the source · abstract, characters 972–1041
t0

“maize”

✓ located verbatim in the source · title, characters 48–53

Title

Beneath-the-surface nitrogen placement sustains maize productivity and soil health under long-term conservation agriculture in the NW Indo-Gangetic Plains

Kiranmoy Patra; C.M. Parihar; Ayan Sarkar; et al. Journal of Agriculture and Food Research 2026. doi:10.1016/j.jafr.2026.102800

Other claims from this paper (8)

Record rev-cb0fa0314469b293cd99dbfc025b05b1eb1dde8e5924e28d951795c19b8ad812 · schema claims-v0.9 · position 3 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
    Broadcast PCU increased grain yield by 4 to 13% against UAN.

    Use of Five Nitrogen Source and Placement Systems for Improved Nitrogen Management of Irrigated Corn · 2016 · compared with broadcast UAN

    Same directionCited by this paper

  2. positive
    At 150 kg N ha-1, CA+ grain yield was 27% higher than CA.

    Appraisal of complementarity of subsurface drip fertigation and conservation agriculture for physiological performance and water economy of maize · 2023 · compared with CA

    Same directionCited by this paper

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

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.