TY - BOOK AU - Gachimbi,L.N. TI - Participatory diagnosis of soil nutrient depletion in Semi-Arid areas of Kenya T2 - Managing Africa's Soils; 26 AV - EAF PAM S616.K4P37 No.26 PY - 2002/// CY - London PB - : IIED-Drylands pPogramme KW - Arid regions agriculture KW - Cropping systems KW - Soil management KW - Industries ER -