Use of organic and inorganic resources to increase maize yields in some Kenyan infertile soils: a five-year experience

Okalebo, J.R.; Palm, Cheryl Ann; Lekasi, J.K.; Nandwa, S.M.; Othieno, Caleb O.; Waigwa, M.; Ndungu, K.W. 2003. Use of organic and inorganic resources to increase maize yields in some Kenyan infertile soils: A five-year experience. 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. 359-372.