Intervention effectmodel-written summary

Biochar did not affect soybean root morphology.

A claim from Biochar affects soil water content but not soybean yield in a sandy southeastern U.S. soil · 2021

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Biochar did not affect soybean root morphology.

Taxon
soybeanGlycine maxe0
Treatment
Biochar applicatione0
Outcome
root morphologye0
Direction
did not affecte0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Biochar application did not affect soybean yield or root morphology.”

✓ located verbatim in the source · abstract, characters 1061–1129

Title

Biochar affects soil water content but not soybean yield in a sandy southeastern U.S. soil

Joel Reyes‐Cabrera; John E. Erickson; Ramon G. Leon Agrosystems Geosciences & Environment 2021. doi:10.1002/agg2.20197

Other claims from this paper (4)

Record rev-41cac7ca1d0da33a858149f6d1870031c16301563556e40f9cf2eb358376a9f0 · schema claims-v0.9 · position 3 in the model’s answer

biochar · growth · Glycine max (soybean)Results differ

60 papers: 56 positive, 4 negative or no effect

3 papers in the same direction as this claim · 56 in the opposite direction

  1. positive
    Topdressing 10 or 25 Mg biochar per hectare increased soybean root length density by 39% in the top soil layer.

    Biochar Changes Shoot Growth and Root Distribution of Soybean during Early Vegetative Stages · 2016 · compared with the control

    Opposite directionCited by this paper

  2. positive
    Co-inoculation with 3% biochar significantly improved soybean growth.

    Co-Inoculation of Rhizobacteria and Biochar Application Improves Growth and Nutrientsin Soybean and Enriches Soil Nutrients and Enzymes · 2020

    Opposite direction

  3. positive
    The authors concluded that biochar increased soybean biomass accumulation.

    Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies · 2019

    Opposite direction

  4. positive
    Biochar and AMF individually increased plant growth (plant height, root dry weight, nodule number) over control under water stress.

    Co-inoculation of biochar and arbuscular mycorrhizae for growth promotion and nutrient fortification in soybean under drought conditions · 2022 · compared with control

    Opposite direction

  5. positive
    Low biochar with half-rate inorganic and organic fertilizer increased soybean growth.

    Effects of Biochar With Inorganic and Organic Fertilizers on Agronomic Traits and Nutrient Absorption of Soybean and Fertility and Microbes in Purple Soil · 2022

    Opposite direction

  6. positive
    Biochar slightly enhanced root growth at 7 days after germination.

    Effects of biochar on seedling root growth of soybeans · 2018

    Opposite direction

  7. positive
    Biochar application predominantly increased plant biomass of drought-stressed soybean.

    Effects of PGPR Bioinoculants, Hydrogel and Biochar on Growth and Physiology of Soybean under Drought Stress · 2022

    Opposite direction

  8. positive
    Biochar application significantly increased the growth of soybean compared with no biochar.

    Effect of biochar application on mineral and microbial properties of soils growing different plant species · 2016 · compared with without biochar

    Opposite direction

51 papers more in this group

See all 60 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.