Intervention effectmodel-written summary

Zn fertilization with HA further increased dry yield.

A claim from Effects of humic acid and mineral Zn fertilizer on Zn uptake and maize yield in soils formed on limestone and marl parent materials · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zn fertilization with HA further increased dry yield.

Taxon
maizeZea mayst0
Treatment
Zn fertili-zation with HAe0
Outcome
dry yieldse0
Direction
increasede0
Qualifier
12 mg kg-1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

“Zn fertili-zation with HA further increased the fresh and dry yields, with 12 mg kg-1 performing bet-ter”

✓ located verbatim in the source · abstract, characters 1767–1871
t0

“maize”

✓ located verbatim in the source · title, characters 65–70

Title

Effects of humic acid and mineral Zn fertilizer on Zn uptake and maize yield in soils formed on limestone and marl parent materials

Mehmet Keçeci; Gamze Depel; Nuray Güneş; et al. Soil Studies 2024. doi:10.21657/soilst.1520537

Other claims from this paper (6)

Record rev-64a30cd2d2bbeb629fedf45cf90a87163cfa72441b39b4c82a1cef9d7f53df34 · schema claims-v0.9 · position 6 in the model’s answer

zinc atom · yield · Zea mays (maize)Results differ

441 papers: 391 positive, 50 negative or no effect

390 papers in the same direction as this claim · 47 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
    Adding Zn to the intermediate Fe level accentuated Fe deficiency and depressed corn yield.

    Nutrient Balance Involving Phosphorus, Iron, and Zinc · 1965 · compared with intermediate Fe level

    Opposite direction

  2. negative
    Corn yield at zero zinc and 3.0 mM phosphorus was significantly lower than at 1.0 mM phosphorus.

    Potential for Phosphorus Toxicity in Zinc‐Stressed Corn and Potato · 1981 · compared with 1.0 m M P

    Opposite direction

  3. no effect
    Most foliar Zn applications had no grain-yield effect.

    Effect of Foliar Micronutrients (B, Mn, Fe, Zn) on Maize Grain Yield, Micronutrient Recovery, Uptake, and Partitioning · 2021

    Opposite direction

  4. negative
    In a pot experiment the highest Zn rate (250 ppm) slightly reduced corn yield.

    EFFECTS OF SOIL PROPERTIES AND AMENDMENTS ON THE AVAILABILITY OF ZINC IN SOILS · 1974

    Opposite direction

  5. negative
    Zn alone or P alone reduced aboveground dry matter and yield at harvest by 8-85% in LCV and FER soils relative to unfertilized plants

    Combining P and Zn fertilization to enhance yield and grain quality in maize grown on Mediterranean soils · 2021 · compared with unfertilized (control) plants

    Opposite direction

  6. no effect
    Maize grain yield did not respond to zinc application.

    Yield-limiting plant nutrients for maize production in northwest Ethiopia · 2022

    Opposite direction

  7. no effect
    Soil Zn did not affect maize yield at any Cd concentration.

    Cadmium‐zinc interaction in maize grown on sewer water irrigated soil · 1993

    Opposite direction

  8. negative
    Shoot and root dry matter yield depression under Zn stress was 78 to 95 and 72 to 94%, respectively, relative to 5 ppm supplemental Zn.

    Zinc Response in Corn as Influenced by Genetic Variability1 · 1976 · compared with 5 ppm supplemental Zn level

    Opposite direction

432 papers more in this group

See all 441 papers →

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

253 papers: 221 positive, 32 negative or no effect

220 papers in the same direction as this claim · 26 in the opposite direction · 6 reporting no difference from an alternative

  1. no effect
    HA above 50 and 100 mg kg−1 had no significant effect on maize yield.

    EFFECT OF DIFFERENT LEVELS OF LIGNITIC COAL DERIVED HUMIC ACID ON GROWTH OF MAIZE PLANTS · 2002

    Opposite direction

  2. no effect
    The effect of humic substances on maize yield was limited, probably due to the high nutrient status of both soils.

    Application of Humic Substances Results in Consistent Increases in Crop Yield and Nutrient Uptake · 2009

    Opposite direction

  3. no effect
    Treatments with CZ had dry matter production and maize yield similar to treatments without CZ.

    Effects of clinoptilolite zeolite on phosphorus dynamics and yield of Zea Mays L. cultivated on an acid soil · 2018 · compared with without CZ

    Opposite direction

  4. no effect
    Biochar did not increase maize biomass production in 2015.

    Analysis of soil water content and crop yield after biochar application in field conditions · 2017 · compared with 0 t/ha (control)

    Opposite direction

  5. no effect
    Soil fertility amendments did not alleviate yearly maize yield variability.

    Maize Temporal Yield Variability under Long‐Term Manure and Fertilizer Application: Fractal Analysis · 1995

    Opposite direction

  6. no effect
    Humic acid levels significantly increased grains ear-1 and grain yield ha-1 with 3 kg HA ha-1 while no effect was observed in thousand grains weight

    Phenology, Yield and Yield Components of Maize as Affected by Humic Acid and Nitrogen · 2014

    Opposite direction

  7. negative
    Mycorrhiza alone as a biostimulant lowered maize yields relative to fertilizer variants without mycorrhiza or with mycorrhiza plus soil bacteria in the dry years 2015 and 2016.

    On the Negative Impact of Mycorrhiza Application on Maize Plants (Zea mays) Amended with Mineral and Organic Fertilizer · 2023 · compared with all fertilizer variants without the mycorrhiza or with mycorrhiza in combination with soil bacteria

    Opposite direction

  8. negative
    Grain yield with fulvic acid and Bacillus subtilis was lower than with biochar treatments.

    Coastal Soil Salinity Amelioration and Crop Yield Improvement by Biomaterial Addition in East China · 2022 · compared with BC treatments

    Opposite direction

244 papers more in this group

See all 253 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.