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Determinants for cassava production expansion in the semi-arid zone of West Africa
- Udoh, E. J., Kormawa, P. M.
- Environment, development and sustainability 2009 v.11 no.2 pp. 345-357
- arid zones, cassava, disease resistance, farmers, farming systems, farms, livestock feeds, logit analysis, models, pests, semiarid zones, surveys, Burkina Faso, Chad, Ghana, Niger, Nigeria
- The study focuses on evaluating factors that farmers consider relevant in adopting cassava production in five semi-arid zone of West African countries. The study is based on primary data randomly collected as part of collaborative study of cassava in semiarid zones of Africa (COSCASSA) village level survey from five West African countries namely: Nigeria, Ghana, Chad, Niger and Burkina Faso. This study models effects of farm, farmer and technology specific factors on the decision of semi arid farmers to adopt cassava into their farming system. By way of threshold decision models--Probit and Logit models, the estimation of each country and the pooled data adoption models reveal different adoption models for the countries considered. For each country, different variables appeared as major adoption shifters. Comparatively, the adoption models for Nigeria and whole region appear to have the highest significance variables, being seven in number. This is followed by Chad (6), Ghana (4), and Burkina Faso and Niger with three each. For the variables considered, distance to nearby urban market appears a major adoption shifter in all the country, except for Niger. This is closely followed by contact with extension, variety, pest/disease resistance and livestock feeds, which appear significant in four of the countries. Membership of cooperative societies appears as the least adoption predictor, which is only significant in Chad republic. The study therefore recognizes the importance of varietial characteristics and farmers' characteristics in acceptance of cassava as a major root tuber crop in the semi arid region of West Africa.