Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewedConventional

A review of organic inputs to inform soil health advice for African smallholder farmers: localization matters

Gudeta W. Sileshi, Zachary Stewart, Jonathan Odhong, Blessing Mhlanga, Tilahun Amede, Ermias Aynekulu, Christian Thierfelder, Paswel Marenya, Kyle M. Dittmer, Kamaluddin T. Aliyu, Régis Chikowo, Mazvita Chiduwa, Hambulo Ngoma, Sieglinde S. Snapp

npj Sustainable Agriculture · 2025

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Summary

This review synthesises evidence on organic inputs (both imported and farm-derived) and decision-support tools available to smallholder cereal farmers in sub-Saharan Africa. The authors emphasise that farming systems are locally diverse and adapted, requiring contextualised guidance rather than generic recommendations. The paper provides actionable evidence to help farmers make informed choices about which organic inputs suit their specific conditions.

Regional applicability

Whilst focused on sub-Saharan African smallholder systems, the methodological approach to context-specific input selection and decision-support tool design may inform UK organic and regenerative farming extension advice. However, agro-ecological, economic and institutional contexts differ substantially, limiting direct policy transfer.

Key measures

Comparative efficacy and suitability of organic input types; decision-support frameworks and tools for input selection; context-specific agronomic and economic outcomes

Outcomes reported

The review synthesised evidence on ex situ and in situ organic resources available to smallholder farmers in sub-Saharan Africa and identified decision-support tools to enable evidence-based selection of organic inputs matched to local farm conditions.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Arable cereals
DOI
10.1038/s44264-025-00063-3
Catalogue ID
SNmozblaub-4s5s5b

Topic tags

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