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1Seed management by small-scale farmers in Ghana: a study of maize and cowpea seed in the Brong-Ahafo and Volta Regions Seed management by small-scale farmers in Ghana: a study of maize and cowpea seed in the Brong-Ahafo and Volta Regionsby Tripp, R., Natural Resources Inst., Chatham (United Kingdom) eng, Walker, D.J., Okopu-Apau, A., Dankyi, A.A., Delimini, L.L.
Published 1998Texto bibliotecaFAO IT