Theses & Dissertations Open Access Effects of soil incorporated faba bean and soybean biomass on yields of subsequent maize in Western Ethiopia Tolera Goshu Abera The decline of soil fertility is severe in western Ethiopia due to inappropriate cropping practices (monocropping, unbalanced nutrient application, continuous cultivation, removal of crop residues from the fields and suboptimal of fertiliz… RUF-36016 2016 CC BY 4.0 31 Aug 2016