Intervention effectmodel-written summary

Two foliar zinc sprays gave higher grain iron uptake.

A claim from Studies on impact of phosphoenriched compost, chemical fertilizer and method of zinc application on yield, uptake and quality of maize (Zea mays) · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Two foliar zinc sprays gave higher grain iron uptake.

Taxon
maizeZea mayst0
Treatment
2 foliar sprays of Zne0
Outcome
Fe uptake in graine0
Direction
highere0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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 higher Fe uptake in grain was found with 2 foliar sprays of Zn”

✓ located verbatim in the source · abstract, characters 781–847
t0

“maize”

✓ located verbatim in the source · title, characters 129–134

Title

Studies on impact of phosphoenriched compost, chemical fertilizer and method of zinc application on yield, uptake and quality of maize (Zea mays)

V. PARAMESH; SHIVA DHAR; A.K. VYAS; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v59i4.4578

Other claims from this paper (8)

Record rev-3a1cd463c17ecc0d60f8d81b73c09d767e2fd2cf54808e834db886679c4f80b8 · schema claims-v0.9 · position 7 in the model’s answer

zinc atom · nutrient: content · Zea mays (maize)Results differ

235 papers: 199 positive, 36 negative or no effect

198 papers in the same direction as this claim · 33 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    Zinc fertilization, especially foliar application, increased zinc concentration in maize ear-leaves.

    Effect of P and Zn fertilization on biomass yield and its uptake by maize lines (Zea mays L.) · 2003 · compared with control

    Same directionCited by this paper

  2. no effect
    Zn source did not significantly affect corn nutrient concentration.

    Effect of Zinc × Boron Interaction on Plant Growth and Tissue Nutrient Concentration of Corn · 2007

    Opposite direction

  3. negative
    Added zinc caused iron deficiency in corn.

    Zinc Deficiency and Iron Chlorosis Dependent on the Plant Species and Nutrient‐Element Balance in Tulare Clay · 1962

    Opposite direction

  4. negative
    Shoot Zn reached 75 mg kg−1 versus 2.76 mg kg−1 in controls.

    Root Characteristics and Metal Uptake of Maize (Zea mays L.) under Extreme Soil Contamination · 2021

    Opposite direction

  5. negative
    Zn, Pb and Cd together interfere with uptake and translocation of calcium and magnesium in maize.

    The Interplay between Toxic and Essential Metals for Their Uptake and Translocation Is Likely Governed by DNA Methylation and Histone Deacetylation in Maize · 2020

    Opposite direction

  6. no effect
    Total grain nitrogen content of maize did not respond to the NPK fertilizer supplemented with magnesium or zinc.

    Effect of magnesium or zinc supplementation at the background of nitrogen rate on nitrogen management by maize canopy cultivated in monoculture · 2011

    Opposite direction

  7. negative
    Zn sources of medium and low water solubility did not supply enough Zn to meet the corn crop needs.

    Zinc Fertilizer Solubility and Its Effects on Zinc Bioailability Over Time · 2007

    Opposite direction

  8. no effect
    Low rate Zn chitosan nanoparticles gave no or negligible grain Zn increase over water.

    Biofortification of different maize cultivars with zinc, iron and selenium by foliar fertilizer applications · 2023 · compared with deionized water

    Opposite direction

226 papers more in this group

See all 235 papers →

application · nutrient: content · Zea mays (maize)Positive and negative results

161 papers: 151 positive, 10 negative or no effect

150 papers in the same direction as this claim · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    Zinc fertilization, especially foliar application, increased zinc concentration in maize ear-leaves.

    Effect of P and Zn fertilization on biomass yield and its uptake by maize lines (Zea mays L.) · 2003 · compared with control

    Same directionCited by this paper

  2. no effect
    Spray timing did not affect plant-part nitrogen content relative to controls.

    Uptake, Distribution, and Remobilization of 15N‐labeled Urea Applied to Maize Canopies1 · 1985 · compared with controls

    Opposite direction

  3. no effect
    Humus did not significantly affect P and Ca uptake.

    Effects of soil applied humic substances to dry weight and mineral nutrients uptake of maize under calcareous soil conditions · 2008

    Opposite direction

  4. no effect
    Low boron use and zinc solution spray did not affect grain boron uptake.

    Application of Different Levels of Zinc and Boron on Concentration and Uptake of Zinc and Boron in the Corn Grain · 2010

    Opposite direction

  5. negative
    Osmotic stress before or during the absorption period reduced Rb absorption to 20% or less of controls.

    INFLUENCE OF MANNITOL ON ABSORPTION AND RETENTION OF RUBIDIUM BY EXCISED CORN ROOTS · 1973 · compared with controls

    Opposite direction

  6. no effect
    Phosphite application number generally did not change phosphorus concentrations in corn grain, leaf and stem.

    Does phosphite, a reduced form of phosphate contribute to phosphorus nutrition in corn (Zea mays L.)? · 2019

    Opposite direction

  7. negative
    Four foliar CaCl 2 applications increased shoot cadmium concentration relative to two.

    Effects of Ca on growth and some physiological characteristics of maize under Cd stress · 2001 · compared with foliar application CaCl 2 two times

    Opposite direction

  8. no effect
    Leaf nutrient content did not differ before and after chelate application in either hybrid.

    Agronomic characteristics and management of diseases in maize with chelate-based products containing calcium, copper, manganese, and zinc · 2020 · compared with before

    Opposite direction

152 papers more in this group

See all 161 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.