Nigerian farmers have been slow in adopting improved seeds due to constraints in both supply and demand. Demand-side constraints pertain to farmers’ characteristics, while supply-side constraints are related to capacity. Farmers’ seed demand is complex, and empirical information on...

Despite recent studies on improved seed varieties estimating the adoption rates of maize in 1998 at 40 percent (Manyong et al. 2000) and rice at 60 percent (Larsson 2005), true adoption rates appear to be unknown. This knowledge gap exists due to the ambiguity surrounding what constitutes...

Small-scale private irrigation (SPRI) schemes make up most of the irrigated area in Nigeria, although they constitute only about three percent of the cultivated area in the country. Farmers' demand for SPRI is potentially affected by diverse sets of agroecological, socioeconomic and risk...

Small-scale private irrigation schemes (SPRI) have been the driving force behind the expansion of irrigated areas in Nigeria, despite government efforts to promote large-scale public irrigation schemes. SPRI allows adjustment of irrigation schedules in accordance with observed crop needs. The...