Crop improvement in Eastern and Southern Africa : research objectives and on-farm testing a regional Workshop held in Nairobi, Kenya, 20-22 July 1983 - Regional Workshop on Crop Improvement in Eastern and Southern Africa (1983 : Nairobi, Kenya); Kirby, Roger A. (Ottawa : International Development Research Centre, 1984)
Keywords: Crop yield -- Congresses; Farm produce -- Congresses; Field experiments -- Congresses