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Common bean (Phaseolus vulgaris L.) is an important legume crop grown for household revenue, food and nutrition security in many parts of the world. Common bean is classified into Andean and Middle American gene pools. Most of the beans grown in east and southern Africa countries including Zambia...

Comparatively, Zambian smallholder cassava productivity is low. Zambian farmers produce 6 ton ha-1 , compared to 20–25 ton ha-1 in Zambia. Therefore, understanding smallholder farmers' poor yields is necessary to develop cassava cropping systems for yield intensification. In this study, field...