Ngetich, F.K.Shisanya, C.A.Mugwe, JayneMucheru-Muna, M.Mugendi, Daniel N.2015-11-232015-11-232012-02978-953-307-945-5http://hdl.handle.net/123456789/555DOI: 10.5772/28728enThe Potential of Organic and Inorganic Nutrient Sources in Sub-Saharan African Crop Farming SystemsBook