Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Effects of lime and vermicompost application on soil physicochemical properties and phosphorus availability in acidic soils.

Regasa A, Haile W, Abera G.

Sci Rep · 2025

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Summary

This study investigates the combined and separate effects of lime and vermicompost amendments on the physicochemical properties of acidic soils, with a particular focus on phosphorus availability — a nutrient frequently immobilised under low-pH conditions. Conducted in an Ethiopian context where soil acidity is a widespread constraint to agricultural productivity, the research likely demonstrates that integrated organic–inorganic amendment strategies can raise soil pH and improve P availability more effectively than either amendment alone. The findings contribute to evidence on low-cost soil amelioration approaches suitable for smallholder farming systems in sub-Saharan Africa.

UK applicability

The study was conducted in Ethiopia and addresses soil acidity constraints characteristic of tropical highland farming systems; whilst UK soils also require liming management, the direct application of findings is limited, though the principle of combining organic amendments with lime to enhance phosphorus availability has relevance to UK acid soil management and organic farming practices.

Key measures

Soil pH; available phosphorus (mg/kg); organic matter (%); bulk density (g/cm³); cation exchange capacity (cmol/kg); possibly crop yield or biomass

Outcomes reported

The study measured changes in soil physicochemical properties (including pH, organic matter, and bulk density) and plant-available phosphorus following combined and individual applications of lime and vermicompost in acidic soils. It likely assessed the interactive effects of these amendments on nutrient availability and soil quality indicators.

Theme
Farming systems, soils & land use
Subject
Soil chemistry & nutrient cycling
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Ethiopia
System type
Arable cereals
DOI
10.1038/s41598-025-02053-4
Catalogue ID
NRmo3f02hq-02m

Topic tags

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