Intervention effectmodel-written summary

Irrigation timing did not influence wheat grain yield.

A claim from Sources and management of nitrogen before or after irrigation on the winter wheat and bean production · 2020

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Irrigation timing did not influence wheat grain yield.

Treatment
application of N either before or after irrigatione0
Outcome
grain yielde0
Direction
did not influencee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the application of N either before or after irrigation did not influence the grain yield.”

✓ located verbatim in the source · abstract, characters 757–846
t0

“winter wheat and bean production”

✓ located verbatim in the source · title, characters 69–101

Title

Sources and management of nitrogen before or after irrigation on the winter wheat and bean production

Flávio Hiroshi Kaneko; Michelle Traete Sabundjian; João Paulo Ferreira; et al. Bioscience Journal 2020. doi:10.14393/bj-v36n6a2020-47707

Other claims from this paper (6)

Record rev-042068a1218d49e248d499f014e44ac744b3b7b84d037f2fd501d01f757adb80 · schema claims-v0.9 · position 3 in the model’s answer

irrigation · yield · Triticum aestivum (wheat)Positive and negative results

989 papers: 798 positive, 191 negative or no effect

190 papers in the same direction as this claim · 798 in the opposite direction

  1. positive
    Irrigation gave better wheat grain yield in the irrigated condition.

    Wheat nitrogen utilization efficiency and yield as affected by nitrogen management and environmental conditions · 2022

    Opposite directionCites this paper

  2. positive
    Grain yield was higher under sufficient water supply than under drought stress in all cultivars

    Moderate Drought Stress Affected Root Growth and Grain Yield in Old, Modern and Newly Released Cultivars of Winter Wheat · 2017 · compared with drought stress

    Opposite direction

  3. positive
    In field trials, Trichoderma koningii applied to the seed furrow increased spring wheat yield by 65% at Mt. Vernon, WA.

    Combination ofTrichoderma koningiiwith Fluorescent Pseudomonads for Control of Take-all on Wheat · 1996

    Opposite direction

  4. positive
    One third full irrigation significantly increased wheat yield.

    Stabilizing Rainfed Wheat Yields with Supplemental Irrigation and Nitrogen in a Mediterranean Climate · 1998

    Opposite direction

  5. positive
    Doubling irrigated land by 2035 with crop intensification could increase wheat production and make Egypt self-sufficient in the near future.

    Can Egypt become self-sufficient in wheat? · 2018

    Opposite direction

  6. positive
    irrigation at jointing and at jointing plus anthesis improved grain yield by an average of 12.79 and 18.65% across three cropping seasons, respectively, compared with no irrigation

    Effect of irrigation and nitrogen application on grain amino acid composition and protein quality in winter wheat · 2017 · compared with no irrigation

    Opposite direction

  7. positive
    Each additional 60 mm irrigation increased simulated crop yield by 1.2 t ha −1.

    Modeling Wheat and Maize Productivity as Affected by Climate Variation and Irrigation Supply in North China Plain · 2010

    Opposite direction

  8. positive
    Frequent small irrigations significantly improved biomass yield.

    Assessment of the AquaCrop Model for Use in Simulation of Irrigated Winter Wheat Canopy Cover, Biomass, and Grain Yield in the North China Plain · 2014

    Opposite direction

980 papers more in this group

See all 989 papers →

nitrogen · yield · Triticum aestivum (wheat)Positive and negative results

2,061 papers: 1,737 positive, 324 negative or no effect

323 papers in the same direction as this claim · 1,737 in the opposite direction

  1. positive
    Increasing N rates positively affected spike length, number of spikelets and grains per spike of irrigated wheat.

    Wheat yield in the Cerrado as affected by nitrogen fertilization and inoculation with Azospirillum brasilense · 2017

    Opposite directionCited by this paper

  2. positive
    A higher N rate at sowing gave greater grain yield, thousand-grain weight and density of fertile spikes in the colder Ponta Grossa environment.

    Wheat nitrogen utilization efficiency and yield as affected by nitrogen management and environmental conditions · 2022

    Opposite directionCites this paper

  3. positive
    At the site with little water deficit, high nitrogen increased dry grain yield from 607 to 798 g/m2.

    'Haying-off', the negative grain yield response of dryland wheat to nitrogen fertiliser. I. Biomass, grain yield, and water use · 1998 · compared with low-N control crop

    Opposite direction

  4. positive
    Applying 30 kg N ha −1 at SPAD 42 at maximum tillering increased wheat yield by 20%.

    Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India · 2002

    Opposite direction

  5. positive
    The highest wheat grain yield was achieved with 160 kg N per ha plus 30 Mg compost per ha.

    Effect of Organic and Inorganic Fertilizers on Grain Yield and Protein Banding Pattern of Wheat · 2010

    Opposite direction

  6. positive
    Nitrogen raised wheat grain number per square meter from 16 700 to 20 600.

    Effects of nitrogen on crop development and grain growth of winter wheat in relation to assimilation and utilization of assimilates and nutrients. · 1978

    Opposite direction

  7. positive
    LCC-based N management gave 19 to 31% higher net returns than fixed-time N application in rice-wheat cropping.

    Calibrating the Leaf Color Chart for Nitrogen Management in Different Genotypes of Rice and Wheat in a Systems Perspective · 2004 · compared with fixed‐time N application

    Opposite direction

  8. positive
    Plant height, plant number per m2 and spikes per m2 were maximal at 200 kg N/ha.

    Bread wheat varieties as influenced by different nitrogen levels · 2005

    Opposite direction

2,052 papers more in this group

See all 2,061 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.