Overview of water and soil nutrient management under smallholder rain-fed agriculture in East Africa.

World Development Report 1990.

Michael P. Todaro, World Bank · Population and Development Review · 1990 · 1.8K citations

Public Policy, Development Theory, Development Economics +5

Calculating soil nutrient balances in Africa at different scales

E.M.A. Smaling, J.J. Stoorvogel, P.N. Windmeijer · Nutrient Cycling in Agroecosystems · 1993 · 448 citations

Soil Property, Biogeochemistry, Engineering +4

Diagnostic indicators of soil quality in productive and non-productive smallholders’ fields of Kenya’s Central Highlands

Evah W. Murage, Nancy Karanja, Paul Smithson et al. · Agriculture Ecosystems & Environment · 2000 · 201 citations

Diagnostic Indicators, Soil Characterization, Soil Property +13

Improved fallows come of age in the tropics

Pedro A. Sánchez · Agroforestry Systems · 1999 · 198 citations

Participatory research methods—Implementation, effectiveness and institutional context

Adrienne Martin, J. Sherington · Agricultural Systems · 1997 · 186 citations

Public Involvement, Community Development, Action Research +9