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1by Singh, A., FAO, Rome (Italy). Land and Water Development Div. eng, FAO/SIDA Workshop on the Use of Organic Materials as Fertilizers in Africa eng 5 Dec 1977 Buea (Cameroon), Balasubramanian, V.
Published 1980Texto bibliotecaFAO IT -
2Crop residue management and soil productivity in savanna areas of Nigeria Crop residue management and soil productivity in savanna areas of Nigeriaby Balasubramanian, V., FAO, Rome (Italy). Land and Water Development Div. eng, FAO/SIDA Workshop on the Use of Organic Materials as Fertilizers in Africa eng 5 Dec 1977 Buea (Cameroon), Nnadi, L.A.
Published 1980Texto bibliotecaFAO IT