1. A rational approach to the selection of crops to marginal rainfall in East Africa;Dagg;East Africa Agric. For. J.,1965
2. Exploring strategies for increased productivity — the case for maize in semi-arid eastern Kenya;Keating,1992
3. Adjustment of nitrogen inputs in response to a seasonal forecast in a region of high climatic risk;Keating,1993
4. Maize yield response to row spacing and population densities under different environmental conditions;Nadar;East Africa Agric. For. J,1983
5. Maize yield response to different levels of nitrogen and phosphorous fertilizer application;Nadar;East Africa Agric. For. J.,1983