Intervention effectmodel-written summary

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

A claim from Appraisal of complementarity of subsurface drip fertigation and conservation agriculture for physiological performance and water economy of maize · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

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

Taxon
maizeZea mayst0
Treatment
CA+ at 150 kg N ha-1e0
Outcome
grain yielde0
Direction
highere0
Value
27%e0
Comparator
CAe0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond 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

“The grain yield under CA+ at 150 kg N ha-1 was 27% and 30% higher than CA and CT, respectively.”

✓ located verbatim in the source · abstract, characters 1145–1240
t0

“maize”

✓ located verbatim in the source · title, characters 140–145

Title

Appraisal of complementarity of subsurface drip fertigation and conservation agriculture for physiological performance and water economy of maize

Kiranmoy Patra; C.M. Parihar; H.S. Nayak; et al. Agricultural Water Management 2023. doi:10.1016/j.agwat.2023.108308

Other claims from this paper (13)

Record rev-6564becc657f3dc2a0686cb1766571d370e9b30cb4b8d26670a08d23d80dceb6 · schema claims-v0.9 · position 3 in the model’s answer

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

1,099 papers: 812 positive, 287 negative or no effect

811 papers in the same direction as this claim · 230 in the opposite direction · 57 reporting no difference from an alternative

  1. positive
    NTR, CTM and NTRM each significantly increased maize grain yield relative to control in high- and low-fertility fields.

    Maize production under combined Conservation Agriculture and Integrated Soil Fertility Management in the sub-humid and semi-arid regions of Kenya · 2020 · compared with control

    Same directionCited by this paper

  2. positive
    CA+ significantly increased biomass and radiation use efficiency compared with CA and CT.

    Water budgeting in conservation agriculture-based sub-surface drip irrigation in tropical maize using HYDRUS-2D in South Asia · 2021 · compared with CA and CT

    Same directionCited by this paper

  3. positive
    Yield attributing characters of maize were numerically higher under CA+ plots than under CA alone and conventional tillage.

    Crop performance and nitrogen use-efficiency in maize under conservation agriculture coupled with sub-surface drip fertigation · 2022 · compared with CA alone (PBWR-Furrow-N120) and CT (CTWOR-Furrow-N120)

    Same directionCited by this paper

  4. positive
    Conservation agriculture improved maize canopy development, biomass and yield over conventional tillage and farmer practice.

    Beneath-the-surface nitrogen placement sustains maize productivity and soil health under long-term conservation agriculture in the NW Indo-Gangetic Plains · 2026 · compared with CT and FP

    Same directionCites this paper

  5. no effect
    Cover-crop no-tillage and standard no-tillage gave similar corn yields.

    Potential Long‐Term Benefits of No‐Tillage and Organic Cropping Systems for Grain Production and Soil Improvement · 2007 · compared with NT

    Opposite direction

  6. negative
    No-till produced less corn grain than plow tillage.

    Tillage and Rotation Interactions for Corn and Soybean Grain Yield as Affected by Precipitation and Air Temperature · 2004 · compared with plow

    Opposite direction

  7. no effect
    Tillage had no grain-yield effect in manure or compost plots in three of four years.

    Composted and Noncomposted Manure Application to Conventional and No‐Tillage Systems: Corn Yield and Nitrogen Uptake · 1999

    Opposite direction

  8. negative
    No-tillage corn grain yield was 5% lower than under conventional tillage.

    Corn and Soybean Response to Rotation Sequence, Row Spacing, and Tillage System · 2003 · compared with conventional tillage system

    Opposite direction

1,090 papers more in this group

See all 1,099 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. no effect
    The DGCI-guided N regime gave comparable yields to the recommended dose.

    Development and validation of a precision nitrogen management app for enhancing sustainability in maize production · 2026 · compared with the recommended dose

    No difference from an alternativeCites this paper

  2. positive
    Net returns increased by 19,565 PKR per ha with 120 kg N per ha compared with 60 kg N per ha.

    Timing and Rate of Nitrogen Application Influence Profitability of Maize Planted at Low and High Densities in Northwest Pakistan · 2010 · compared with 60 kg N ha −1

    Same directionCited by this paper

  3. positive
    The higher N rate with 4 to 5 splits significantly increased grain yield per plant at both low and high plant densities.

    NITROGEN RATES AND ITS TIME OF APPLICATION INFLUENCE DRY MATTER PARTITIONING AND GRAIN YIELD IN MAIZE PLANTED AT LOW AND HIGH DENSITIES · 2010

    Same directionCited by this paper

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

    Beneath-the-surface nitrogen placement sustains maize productivity and soil health under long-term conservation agriculture in the NW Indo-Gangetic Plains · 2026 · compared with 150 kg N ha -1

    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.