Intervention effectmodel-written summary

Biochars inoculated with Bradyrhizobium elkanii had the highest cowpea productivity.

A claim from Biochar and Plant Growth-Promoting Bacteria Boost Chemical and Biological Properties of Semiarid Soil in Cowpea · 2025

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Biochars inoculated with Bradyrhizobium elkanii had the highest cowpea productivity.

Treatment
biochars inoculated with the BRAe0
Interactor
Bradyrhizobium elkanii USDA 76Bradyrhizobium elkanii USDA 76e1symbiont
Outcome
productivitye0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The biochars inoculated with the BRA showed the highest productivity”

✓ located verbatim in the source · abstract, characters 1060–1128
e1

“Bradyrhizobium elkanii USDA 76 (BRA)”

✓ located verbatim in the source · abstract, characters 640–676
t0

“Cowpea”

✓ located verbatim in the source · title, characters 105–111

Title

Biochar and Plant Growth-Promoting Bacteria Boost Chemical and Biological Properties of Semiarid Soil in Cowpea

Inara da Silva Araujo; Argemiro Pereira Martins Filho; Diogo Paes da Costa; et al. Soil Systems 2025. doi:10.3390/soilsystems9010019

Other claims from this paper (7)

Record rev-85ebb9e4a2a7c96876140665d22766e87300e91d292a9765f982850e569405af · schema claims-v0.9 · position 6 in the model’s answer

Bradyrhizobium elkanii · yield · Vigna unguiculata (cowpea)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this claim

  1. positive
See all 2 papers →

inoculation · yield · Vigna unguiculata (cowpea)Results differ

116 papers: 99 positive, 17 negative or no effect

98 papers in the same direction as this claim · 16 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect
  4. no effect
  5. no effect
  6. negative
  7. no effect
  8. negative

107 papers more in this group

See all 116 papers →

biochar · yield · Vigna unguiculata (cowpea)Positive and negative results

22 papers: 18 positive, 4 negative or no effect

17 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect
  4. no effect
  5. positive
  6. positive
  7. positive
  8. positive

13 papers more in this group

See all 22 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.