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Periodical article Periodical article Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:Soil Fertility Management on Small Farms in Africa: Evidence from Nakuru District, Kenya
Authors:Omamo, S.W.ISNI
Williams, J.C.
Obare, G.A.
Ndiwa, N.N.
Year:2002
Periodical:Food Policy
Volume:27
Issue:2
Period:April
Pages:159-170
Language:English
Geographic term:Kenya
Subjects:small farms
soil fertility
fertilizers
Agriculture, Natural Resources and the Environment
Development and Technology
External link:https://doi.org/10.1016/S0306-9192(02)00009-X
Abstract:On the basis of data from a 1998 survey of farming households in Nakuru District, Kenya, the authors explore factors influencing soil fertility management decisions of smallholder farmers. The modeling strategy builds on results of research in soil science that point to the joint determination of inorganic and organic soil nutrient stocks and flows on-farm. Farmers' decisions on levels of inorganic and organic fertilizer use are hypothesized to be similarly mutually dependent, and to be further influenced by various farmer-specific socioeconomic factors. Econometric estimations indicate that once the effects of cropping patterns, farm-to-market transport costs, and labour availability are taken into account, smallholder applications of inorganic and organic fertilizers appear to be substitutes. Bibliogr., notes, ref., sum. [Journal abstract]
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