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1Farmer field schools facilitators' manual.- v.1: Integrated soil, water and nutrient management in semi-arid Zimbabwe Farmer field schools facilitators' manual.- v.1: Integrated soil, water and nutrient management in semi-arid Zimbabweby Hughes, O. (ed.), FAO, Rome (Italy). Land and Water Development Div. eng, Venema, J.H. (ed.), International Crops Research Inst. for the Semi-Arid Tropics, Bulawayo (Zimbabwe) eng, Department of Agricultural Research and Extension, Harare (Zimbabwe) eng
Published 2005Texto bibliotecaFAO IT