Cowpea (Vigna unguiculata [L.] Walp.) is an important grain legume in the semiarid zone of West Africa as it is a major source of dietary protein for the people. It is usually grown as an intercrop with the major cereals, namely millet and sorghum. Despite its importance, its yields are very low ...
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https://cgspace.cgiar.org/handle/10568/49694
Bationo, B. André
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Ntare, B.R.
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Tarawali, Shirley A.
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Tabo, Ramadjita
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[Soil fertility management and cowpea production in the semiarid tropics]
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Soil fertility management and cowpea production in the semiarid tropics