It is known that all soils contain a certain amount of soluble salts and exchangeable sodium, magnesium, potassium, and calcium. However, when the concentration of either of them is excess, it will interfere with many soil ...

Declined soil fertility is one of the main constraints to improve food production in Ethiopia and inadequate information about soil fertility in the study area. To replenish impoverished soils, site and crop-specific ...

Poor soil fertility is the major constraint affecting the productivity of malt barley in the highlands of Ethiopia. Malt barley responds well to growth limiting nutrients in the soil, especially nitrogen. A field experiment ...