Research Article
Effect of Soil Fertility Management and Nitrogen Fertilizer Rate on Maize Yield in Smallholder Farmers Fields
Department of Agronomy, Egerton University, P.O. Box 536, Njoro, Kenya
R. K. Obura
Department of Agronomy, Egerton University, P.O. Box 536, Njoro, Kenya
A. Bationo
Tropical Soil Biology and Fertility Institute of CIAT, P.O. Box 30677: Nairobi, Kenya
L. Mumera
Department of Agronomy, Egerton University, P.O. Box 536, Njoro, Kenya