Intervention effectmodel-written summary

Reduced nitrogen lowered yield by about 11.36%.

A claim from Nitrogen use efficiency in bread wheat: Genetic variation and prospects for improvement · 2024

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Reduced nitrogen lowered yield by about 11.36%.

Treatment
reduced N levelse0
Outcome
yielde0
Direction
reductione0
Value
11.36%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“About 11.36% yield reduction was observed at reduced N levels”

✓ located verbatim in the source · abstract, characters 1064–1125
t0

“wheat”

✓ located verbatim in the source · title, characters 33–38

Title

Nitrogen use efficiency in bread wheat: Genetic variation and prospects for improvement

Suma S. Biradar; Mahalaxmi K. Patil; S. A. Desai; et al. PLoS ONE 2024. doi:10.1371/journal.pone.0294755

Other claims from this paper (5)

Record rev-e27cd38901af140a2218241f2530880eb6e955db5bf5169499af2d8c4e7efdf6 · schema claims-v0.9 · position 2 in the model’s answer

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
    Menze at 360 kg ha−1 nitrogen in 2015 achieved the highest grain yield of 5718.32 kg ha−1.

    Effect of nitrogen fertilizer rates on grain yield and nitrogen uptake and use efficiency of bread wheat (Triticum aestivum L.) varieties on the Vertisols of central highlands of Ethiopia · 2018

    Opposite directionCited by this paper

  2. no effect
    Increasing nitrogen doses did not increase nitrogen harvest index.

    Phenotypic variability of bread wheat genotypes for nitrogen harvest index · 2011

    Same directionCited by this paper

  3. negative
    Low nitrogen reduced grain yield by 38% relative to high nitrogen across years.

    Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum · 2022 · compared with HN

    Same directionCited by this paper

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

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.