Intervention effectmodel-written summary

Humic acid seed coating increased corn yield by about 15% over conventional cultivation.

A claim from Field corn yield in response to humic acids application in the absence or presence of liming and mineral fertilization · 2019

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Humic acid seed coating increased corn yield by about 15% over conventional cultivation.

Treatment
Humic acids, whether applied as a seed coatinge0
Outcome
yielde0
Direction
increasede0
Value
~15%e0
Comparator
conventional farm cultivatione0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Humic acids, whether applied as a seed coating, increased yield by ~15% higher than conventional farm cultivation, and this difference was statistically significant.”

✓ located verbatim in the source · abstract, characters 1018–1183
t0

“corn”

✓ located verbatim in the source · title, characters 6–10

Title

Field corn yield in response to humic acids application in the absence or presence of liming and mineral fertilization

Marihus Altoé Baldotto; Raphael Oliveira de Melo; Lilían Borges Baldotto Semina Ciências Agrárias 2019. doi:10.5433/1679-0359.2019v40n6supl2p3299

Other claims from this paper (1)

Record rev-efcb071ea67d1739c6be916af1c60fd4812e330a86e95d9d0991f3bde6c23ce1 · schema claims-v0.9 · position 1 in the model’s answer

seed treatment · yield · Zea mays (maize)Positive and negative results

165 papers: 150 positive, 15 negative or no effect

149 papers in the same direction as this claim · 15 in the opposite direction

  1. no effect
    Seed treatments gave no field grain-yield advantage.

    Seed Priming Does Not Improve Corn Yield in a Humid Temperate Environment · 2005

    Opposite direction

  2. no effect
    Hundred-grain weight did not differ significantly between control and priming treatments.

    Responses of Seed Germination, Seedling Growth, and Seed Yield Traits to Seed Pretreatment in Maize (Zea maysL.) · 2014 · compared with control group

    Opposite direction

  3. no effect
    No significant difference in plant stand or yield was observed between neonicotinoid-treated and untreated corn.

    Impacts of neonicotinoid seed treatments on soil-dwelling pest populations and agronomic parameters in corn and soybean in Quebec (Canada) · 2020 · compared with untreated

    Opposite direction

  4. no effect
    Coating and priming with ZnONPs did not significantly alter maize grain yield.

    A comparative evaluation of the effects of seed invigoration treatments with precursor zinc salt and nano-sized zinc oxide (ZnO) particles on vegetative growth, grain yield, and quality characteristics of Zea mays · 2022

    Opposite direction

  5. negative
    Seed weight per plant of maize was lowest, 50/68 gr, with water priming of seeds.

    Priming effect of different times of maize seeds with nutrient elements in water stress on corn yield · 2011

    Opposite direction

  6. no effect
    Elorisan-MA seed coating did not significantly influence maize grain yields or total shoot biomass relative to non-treated seeds at any N-fertilization rate.

    A two-year field study of a commercial biostimulant applied on maize as seed coating · 2000 · compared with non-treated seeds

    Opposite direction

  7. no effect
    Polymer seed treatment had no impact on yield.

    Methods to quantify Bacillus simplex-based inoculant and its effect as a seed treatment on field-grown corn and soybean in Brazil · 2022

    Opposite direction

  8. no effect
    Scarification did not affect corn yield across covers and furrowing systems.

    Performance of cover and corn plants in different mechanical and biological management associations · 2019

    Opposite direction

156 papers more in this group

See all 165 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. positive
    Humic acids generally increased maize height and yield, especially at the medium dose.

    Use of Organic Materials to Limit the Potential Negative Effect of Nitrogen on Maize in Different Soils · 2022

    Same directionCites this paper

  2. positive
    Humic acid application had positive effects on corn development and grain yield compared with the control without HA and N.

    Humic acid and nitrogen dose application in corn crop under alkaline soil conditions · 2021 · compared with control (no HA and N)

    Same directionCites this paper

  3. positive
    Humic acid application increased maize dry matter yield by 67%, a significant increase.

    Effects of Humic Acids on Calorific Value and Chemical Composition of Maize Biomass in Iron-Contaminated Soil Phytostabilisation · 2024

    Same directionCites this paper

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

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.