Livestock and sustainable nutrient cycling in mixed farming systems of sub-Saharan Africa. Volume II: Technical papers. Proceedings of an international conference

Powell, J.M.Fernández Rivera, S.Williams, Timothy O.Renard, C.2010-01-132010-01-13https://hdl.handle.net/10568/401Livestock and sustainable nutrient cycling in mixed farming systems of sub-Saharan Africa. Volume II: Technical papers. Proceedings of an international conference