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Snapp, S S and Mafongoya, P L and Waddington, S (1998) Organic matter technologies for integrated nutrient management in smallholder cropping systems of southern Africa. Agriculture, Ecosystems and Environment, 71 (1-3). pp. 185-200. ISSN 0167-8809
Snapp, S S and Mafongoya, P L and Waddington, S (1998) Organic matter technologies for integrated nutrient management in smallholder cropping systems of southern Africa. Agriculture, Ecosystems and Environment, 71 (1-3). pp. 185-200. ISSN 0167-8809
Snapp, S S and Mafongoya, P L and Waddington, S (1998) Organic matter technologies for integrated nutrient management in smallholder cropping systems of southern Africa. Agriculture, Ecosystems and Environment, 71 (1-3). pp. 185-200. ISSN 0167-8809