Principles of integrated soil fertility management

Kimani, S.K.; Nandwa, S.M.; Mugendi, Daniel N.; Obanyi, S.N.; Ojiem, J.; Murwira, Herbert K.; Bationo, André. 2003. Principles of integrated soil fertility management. In: Gichuri, M.P.; Bationo, André; Bekunda, M.A.; Goma, H.C.; Mafongoya, P.L.; Mugendi, D.N.; Murwuira, H.K.; Nandwa, S.M.; Nyathi, P.; Swift, M.J. (eds.). Soil fertility management in Africa: A regional perspective. Academy Science Publishers (ASP); Centro Internacional de Agricultura Tropical (CIAT); Tropical Soil Biology and Fertility (TSBF), Nairobi, KE. p. 51-72.