TY - BOOK AU - Kirkby,Roger A. TI - Crop improvement in eastern and southern Africa: : research objectives and on-farm testing a regional workshop held in Nairobi, Kenya, 20-22 July 1983 SN - 0-88936-396-X AV - ERB SB176.A4C76 PY - 1984/// CY - Ottawa, Canada PB - International Development Research Centre KW - Food crops KW - Research KW - Africa Eastern KW - Congresses KW - Africa KW - Southern KW - On farm ER -