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2Soil fertility management in West African land use systems Soil fertility management in West African land use systemsby Renard, G. (ed.), Hohenheim Univ., Stuttgart (Germany) ger, Neef, A. (ed.), Becker, K. (ed.), Von Oppen, M. (ed.), International Crops Research Inst. for the Semi-Arid Tropics, Patancheru (India) eng, Institut National de Recherches Agronomiques au Niger, Niamey (Niger) fre
Published 1998Texto bibliotecaFAO IT