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3Agro-ecological land resources assessment for agricultural development planning. A case study of Kenya. Resources data base and land productivity. Technical annex 2. Soil erosion a... Agro-ecological land resources assessment for agricultural development planning. A case study of Kenya. Resources data base and land productivity. Technical annex 2. Soil erosion a...par Kassam, A.H. 162192, Van Velthuizen, H.T. 1423211772354, Mitchell, A.J.B. 1423211772359, Fischer, G.W. 1423211772355, Shah, M.M. 1423211772357
Publié 1992Texto bibliotecaFAO IT