TY - BOOK TI - Soil and water management and biotechnology in Africa: report of the fact-finding-mission SN - 9966831037 AV - S599.5.A1 S64 1989 PY - 1989/// CY - Nairobi PB - Academy Science Publishers KW - Soil management KW - Africa KW - Water conservation KW - Biotechnology N1 - Phse I : June-July 1987 ; Phase II : November-December 1987 ER -