TY - BK AU - Carr,S.J. TI - Technology for small-scale farmers in Sub-Saharan Africa: Experience with food crop production in five major ecological zones T2 - World Bank Technical Paper SN - 0-8213-1355-X PY - 1989/// CY - Washington, DC (USA) PB - World Bank, KW - Agricultural development KW - AGROVOC KW - Cowpeas KW - Farmers KW - Food production KW - Humid tropics KW - Manihot esculenta KW - Millets KW - Plant production KW - Savannas KW - Sorghum KW - Subhumid zones KW - Technology transfer KW - Upland rice KW - Zea mays KW - Soil fertility KW - Farming systems N1 - Tables ER -