Intervention effectmodel-written summary

The most effective treatment reduced exchangeable acidity from 2.83 to 0.20 cmol/kg in Nitisols.

A claim from Synergistic effects of lime, vermicompost, and phosphorus fertilizer enhance maize productivity and soil quality in acidic soils of Ethiopia · 2026

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The most effective treatment reduced exchangeable acidity from 2.83 to 0.20 cmol/kg in Nitisols.

Taxon
maizeZea mayst0
Treatment
100% LR + 6 t/ha CHVC + 46 kg P₂O₅/hae0
Outcome
exchangeable aciditye1
Direction
reducinge1
Value
2.83 to 0.20e1
Comparator
controle0
Setting
Nitisolse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“enhance maize productivity and soil quality in acidic soils of Ethiopia”

✓ located verbatim in the source · title, characters 69–140
e0

“The most effective treatment (100% LR + 6 t/ha CHVC + 46 kg P₂O₅/ha) raised soil pH from 5.07 (control) to 5.95 in Cambisols and from 4.71 (control) to 5.99 in Nitisols”

✓ located verbatim in the source · abstract, characters 1329–1497
e1

“reducing exchangeable acidity from 2.13 to 0.16 and 2.83 to 0.20 cmol₊/kg”

✓ located verbatim in the source · abstract, characters 1505–1578

Title

Synergistic effects of lime, vermicompost, and phosphorus fertilizer enhance maize productivity and soil quality in acidic soils of Ethiopia

Abu Regasa; Wassie Haile; Girma Abera Discover Soil. 2026. doi:10.1007/s44378-026-00199-9

Other claims from this paper (14)

Record rev-bccedef55db19e716edb3f3d646ce51b06f3bd37821aa0acd13513b074e287fe · schema claims-v0.9 · position 5 in the model’s answer

fertilization · quality: sugar starch · Zea mays (maize)Results differ

85 papers: 71 positive, 14 negative or no effect

70 papers in the same direction as this claim · 13 in the opposite direction · 1 reporting no difference from an alternative

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

76 papers more in this group

See all 85 papers →

phosphorus · quality: sugar starch · Zea mays (maize)Positive and negative results

9 papers: 6 positive, 3 negative or no effect

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

  1. negative
  2. negative
  3. no effect
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive
See all 9 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.