Integrated Soil Fertility Management in Bean-Based Cropping Systems of Eastern, Central and Southern Africa - Lunze, Lubanga; Abang, Mathew M.; Buruchara, Robin Arani; Ugen, Michael Adrogu; Nabahungu, Nsharwasi Léon; Rachier, Gideon O.; Ngongo, Mulangwa; Rao, Idupulapati M. (IntechOpen, 2012)