TY - BOOK ED - African Academy of Sciences TI - Soil and water management and biotechnology in Africa : report of the fact-finding mission SN - 9966831037 AV - S 627 Afr PY - 1989/// CY - Nairobi PB - Academy Science Publishers KW - SOILS KW - BIOTECHNOLOGY--AFRICA KW - WATER CONSERVATION--AFRICA KW - NATURAL RESOURCES--AFRICA--MANAGEMENT KW - Soil management - Africa KW - WATERSHED MANAGEMENT-- AFRICA N1 - 'Phase I: June-July 1987; phase II: November-December 1987.' ER -