Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Organic amendments and soil properties

Chivenge, P.P. et al.

2011

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Summary

Published in Nutrient Cycling in Agroecosystems, this paper by Chivenge and colleagues examines the influence of organic amendments on soil properties, likely drawing on data from smallholder or rainfed arable systems common in sub-Saharan Africa. The study appears to synthesise or compare evidence on how organic inputs such as manure, crop residues, and compost interact with soil chemical and biological characteristics. Its contribution lies in clarifying the conditions under which organic amendments most effectively improve soil fertility and nutrient cycling in low-input agricultural contexts.

UK applicability

The findings are likely most directly relevant to tropical smallholder farming systems rather than UK conditions; however, the underlying principles regarding organic matter addition and nutrient cycling have broader applicability to UK integrated soil fertility management and organic farming policy debates.

Key measures

Soil organic carbon (g/kg); total nitrogen (%); nutrient use efficiency; crop yield response to organic inputs

Outcomes reported

The study likely examined how different organic amendments (e.g. manure, crop residues, compost) affect soil nutrient cycling, organic matter content, and related soil properties. Outcomes probably include measures of soil carbon, nitrogen availability, and microbial activity under varying amendment regimes.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Meta-analysis
Study design
Meta-analysis
Source type
Peer-reviewed study
Status
Published
Geography
Sub-Saharan Africa
System type
Arable cereals
Catalogue ID
XL0579

Topic tags

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