Intervention effectmodel-written summary

Biochar increased plant biomass.

A claim from Effects of basalt and biochar addition on base cations and trace metals in plants and soil in an urban field trial · 2026

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Biochar increased plant biomass.

Taxon
clover (Trifolium pratense) and mustard (Brassica juncea)Brassica junceaTrifolium pratensee2
Treatment
Biochare6
Outcome
plant biomasse6
Direction
increasede6
Setting
urban field trialt0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗
Trifolium pratense
Trifolium pratense · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“in clover (Trifolium pratense) and mustard (Brassica juncea) field plots”

✓ located verbatim in the source · abstract, characters 418–490
e6

“Biochar increased plant biomass, mustard phosphorus and reduced plant uptake of several trace metals in both mustard and clover plants”

✓ located verbatim in the source · abstract, characters 1061–1195
t0

“Effects of basalt and biochar addition on base cations and trace metals in plants and soil in an urban field trial”

✓ located verbatim in the source · title, characters 0–114

Title

Effects of basalt and biochar addition on base cations and trace metals in plants and soil in an urban field trial

Arthur Vienne; Jennifer Newell; Jasper Roussard; et al. Biogeosciences 2026. doi:10.5194/bg-23-1681-2026

Other claims from this paper (9)

Record rev-256cd7145a7aed30456d57ad99f6216e78b4de5ba8c9e9e4484999f7494b10f3 · schema claims-v0.9 · position 6 in the model’s answer

biochar · growth · Trifolium pratense (red clover)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. no effect
See all 2 papers →

biochar · growth · Brassica juncea (Indian mustard)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this claim

  1. positive
  2. positive
  3. positive
See all 4 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.