Advantages And Disadvantages Of Application Of Sludge To Soil

the advantages and disadvantages of the different rates of sewageb studge produced in Tanata municipal sewage. sludge station by evaluating changes in some chemical and physical properties of clay soil and the chemical composition of plants. the possibility of using it as fertilizer or amendment agent. the residual effect of sewage sludge on soil chemical and physical properties besides the effect on maize plants.