Intervention effectmodel-written summary

Split 160 kg N ha-1 application raised grain Fe concentration.

A claim from Zinc and Iron Concentration as Affected by Nitrogen Fertilization and Their Localization in Wheat Grain · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Split 160 kg N ha-1 application raised grain Fe concentration.

Treatment
split N application of 160 kg N ha-1e0
Outcome
Fe concentration in the graine0
Direction
highere0

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

“Relatively higher protein content and Zn and Fe concentration in the grain were recorded with the split N application of 160 kg N ha-1”

✓ located verbatim in the source · abstract, characters 1112–1246
e1

“Wheat (Triticum aestivum var. Krabat)”

✓ located verbatim in the source · abstract, characters 301–338

Title

Zinc and Iron Concentration as Affected by Nitrogen Fertilization and Their Localization in Wheat Grain

Bal R. Singh; Yadu N. Timsina; Ole C. Lind; et al. Frontiers in Plant Science 2018. doi:10.3389/fpls.2018.00307

Other claims from this paper (8)

Record rev-4e9a6b8a00bbf1476e548d5d60a3796899f7f03943916147ee4054a1a3ed1e80 · schema claims-v0.9 · position 5 in the model’s answer

nitrogen · nutrient: content · Triticum aestivum (wheat)Positive and negative results

479 papers: 410 positive, 69 negative or no effect

409 papers in the same direction as this claim · 64 in the opposite direction · 5 reporting no difference from an alternative

  1. positive
    T4 increased wheat grain zinc concentration by 90, 87, 96 and 97% at the four sites relative to T1.

    Enhancements in yield, agronomic, and zinc recovery efficiencies of rice-wheat system through bioactive zinc coated urea application in Aridisols · 2023 · compared with T1

    Same directionCites this paper

  2. no effect
    Greater preplant N input did not increase postanthesis N uptake.

    Fertilizer‐Nitrogen Use Efficiency of Irrigated Wheat: I. Uptake Efficiency of Preplant versus Late‐Season Application · 1992

    Opposite direction

  3. negative
    Application above 240 kg N promoted downward movement of basal and topdressing nitrogen and soil nitrate.

    Excessive nitrogen application decreases grain yield and increases nitrogen loss in a wheat–soil system · 2011

    Opposite direction

  4. no effect
    Localized nitrate application showed no evidence of affecting wheat sulphate uptake.

    Capture of nitrate from soil by wheat in relation to root length, nitrogen inflow and availability · 1994

    Opposite direction

  5. no effect
    Five ammonium-N rates caused no significant changes in cation exchange capacity or total P.

    SOIL CHEMICAL CHANGES AFTER NINE YEARS OF DIFFERENTIAL N FERTILIZATION IN A NO-TILL DRYLAND WHEAT-CORN-FALLOW ROTATION · 1998

    Opposite direction

  6. no effect
    Late foliar urea did not increase grain selenium concentration.

    High-selenium wheat : agronomic biofortification strategies to improve human nutrition · 2004

    Opposite direction

  7. negative
    Wheat grain Cd concentration increased significantly with N application rate in 11 of 12 site-years.

    Cadmium accumulation in wheat grain as affected by mineral N fertilizer and soil characteristics · 2011

    Opposite direction

  8. negative
    Ammonium nitrogen inhibited cation uptake relative to nitrate under salinity.

    WHEAT RESPONSE TO NITROGEN SOURCE UNDER SALINE CONDITIONS · 2002 · compared with nitrate-N

    Opposite direction

470 papers more in this group

See all 479 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.