Cowpea (Vigna unguiculata (L.) Walp) is an important annual leguminous crop grown in
arid and semi-arid areas in Sub Saharan Africa. Most of the cowpea production in South
Africa is mainly used for domestic consumption ...
Soybean (Glycine max L.) is one of the valuable leguminous crops with grain used for human consumption, livestock feeding, bio-fuel (bio-diesel) production, vegetable oil and is a protein resource. The crop also fixes ...