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Abstract
This study applied logit and logit transformed regression to examine factors affecting the
adoption of orange flesh sweet-potatoes (OFSP), and intensity of such adoption, by a
representative sample of 340 farmers in the Busia and Rachuonyo districts of Kenya in 2009.
The study also investigated whether participation in a value chain extension intervention
programme increased these farmers’ likelihood of adopting OFSP. The results suggest that the
district where the farmer comes from, knowledge on value addition and nutritional benefits, and
availability of vines were the key factors for adoption. The results also suggest that participation
in a value chain extension programme enhanced the probability of adoption. Factors affecting
intensity of adoption were site, value addition, vines availability, level of commercialization and
having a child of up to five years.