Intervention effectmodel-written summary

Biochar did not affect soybean yield.

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 yield.

Taxon
soybeanGlycine maxe0
Treatment
Biochar applicatione0
Outcome
soybean yielde0
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-a49f7da5bc4dbede7cb2a42ca0b92f6576284b33cf9fdc9f34c4a805b749fbfe · schema claims-v0.9 · position 2 in the model’s answer

biochar · yield · Glycine max (soybean)Results differ

65 papers: 60 positive, 5 negative or no effect

4 papers in the same direction as this claim · 60 in the opposite direction

  1. positive
    Biochar increased soybean grain yield by 3.1–14.8%.

    Biochar addition alleviate the negative effects of drought and salinity stress on soybean productivity and water use efficiency · 2020

    Opposite direction

  2. positive
    At 5% biochar, Liaodou 13 grain yield increased significantly by 31.0% against controls.

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

    Opposite direction

  3. positive
    Biochar with P. phytofirmans increased soybean grain yield 14% under drought.

    Biochar Amendment in Combination with Endophytic Bacteria Stimulates Photosynthetic Activity and Antioxidant Enzymes to Improve Soybean Yield Under Drought Stress · 2022

    Opposite direction

  4. positive
    Biochar increased soybean yield by 96.7% versus no biochar.

    Effects of Biochar With Inorganic and Organic Fertilizers on Agronomic Traits and Nutrient Absorption of Soybean and Fertility and Microbes in Purple Soil · 2022 · compared with no biochar

    Opposite direction

  5. positive
    Biochar significantly improved soybean productivity.

    Effects of corn straw biochar application on soybean growth and alkaline soil properties · 2020

    Opposite direction

  6. positive
    Continuous application of nodule bacteria on biochar for three successive years increased soybean seed weight up to 1.34 times the control.

    Continuous Application of Biochar Inoculated with Root Nodule Bacteria to Subsoil Enhances Yield of Soybean by the Nodulation Control using Crack Fertilization Technique · 2015 · compared with control

    Opposite direction

  7. positive
    Biochar increased soybean yield.

    Soybean Yield Response of Biochar-Regulated Soil Properties and Root Growth Strategy · 2022

    Opposite direction

  8. positive
    Under drought, higher biochar rates gave higher soybean grain yield.

    Integrated effects of cattle manure-derived biochar and soil moisture conditions on soil chemical characteristics and soybean yield · 2019

    Opposite direction

56 papers more in this group

See all 65 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.