Soil degradation is a serious environmental problem in Ethiopia. However, little information is documented on indicators such as variations in soil properties a
Soil in greenhouses is likely to suffer a gradual decline in aggregate stability. Determination of the effects of different fertiliser practices on soil aggrega
Animal manure consists of predominantly urine and feces,but also may contain bedding materials,dropped feed,scurf,and other farming wastes.Manure is typically a