Claim · model-written summary
The most effective treatment reduced exchangeable acidity from 2.83 to 0.20 cmol/kg in Nitisols.
- 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.

Verbatim
t0“enhance maize productivity and soil quality in acidic soils of Ethiopia”
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”
e1“reducing exchangeable acidity from 2.13 to 0.16 and 2.83 to 0.20 cmol₊/kg”
Title
Abu Regasa; Wassie Haile; Girma Abera Discover Soil. 2026. doi:10.1007/s44378-026-00199-9
Other claims from this paper (14)
- Intervention effect Sole and integrated applications of lime, CHVC and P fertilizer significantly improved soil chemical properties in acidic soils of Ethiopia.
- Intervention effect The most effective treatment raised soil pH from 5.07 to 5.95 in Cambisols.
- Intervention effect The most effective treatment raised soil pH from 4.71 to 5.99 in Nitisols.
- Intervention effect The most effective treatment reduced exchangeable acidity from 2.13 to 0.16 cmol/kg in Cambisols.
- Intervention effect Lime, CHVC and P fertilizer increased available phosphorus to 7.05 mg/kg in Cambisols.
- Intervention effect Lime, CHVC and P fertilizer increased available phosphorus to 4.42 mg/kg in Nitisols.
- Intervention effect Integrated amendments enhanced soil organic matter from medium to high.
- Intervention effect Integrated amendments enhanced total nitrogen from low to high.
- Intervention effect Integrated amendments increased exchangeable bases.
- Intervention effect Integrated amendments reduced micronutrient (Fe, Mn, Zn and Cu) levels in the soil.
- Intervention effect The full treatment raised maize grain yield from 2.95 to 9.15 t/ha in Cambisols.
- Intervention effect The full treatment raised maize grain yield from 2.50 to 7.03 t/ha in Nitisols.
- Observation Economic analysis confirmed the profitability of the integrated approach for maize.
- Recommendation The combined use of lime, CHVC and P fertilizer is an effective and economically viable strategy for mitigating soil acidity and increasing maize productivity.