who show that dual-purpose cowpea addressed problems of low productivity in northern Nigeria and improved the social and economic status of the wives from male adopters [49]. However, unlike the results of Tipilda et al., which showed that the production and sale of cowpea is a male ...
The Niger River has a total length of 4200 km [1], flowing from its source high on the Fouta Djallon Mountains in the South of Guinea at an altitude about 800 m, through Guinea, Mali, Niger, and Nigeria, before discharging approximately 175 km3 annually into the Atlantic Ocean through ...