citation
Ayuke, Frederick O.; Rao, M.R.; Swift, M.J.; Opondo-Mbai, M.L. 2003. Effect of organic and inorganic nutrient sources on soil mineral nitrogen and maize yields in Western Kenya. In: Bationo, André (ed.). Managing nutrient cycles to sustain soil fertility in sub-Saharan Africa. Academy Science Publishers (ASP); Centro Internacional de Agricultura Tropical (CIAT), Nairobi, KE. p. 65-76.
