About 65% of agricultural lands in Sub-Saharan Africa (SSA) are already degraded (Tully et al., 2015). Ethiopia's highlands are among the most degraded landscapes, with extensive soil erosion, declining fertility, and reduced agricultural yields (Adimassu et al., 2017). These issues high...
But this could also be seen as a generalisation, as Africa consists of many great Coffee-growing countries of varying elevations, climates and soils including Kenya, Rwanda and Ethiopia, each one adopting Coffee-producing techniques unique to them. Since 2003, Africa’s total global Coffee exports...
Experiments conducted in Rwanda show that the OM (cow dung) added to the acid ferralsols at a rate of 30 tha-1on bean crop allowed to reduce the level of the Al3+exchangeable from 3.77 to 2.44 Cmolkg-1, and Fe3+from 4.0 to 2.7 Cmolkg-1; while the massive amount of OM added ...