The main aim of this study is to determine the suitable level of solid organic wastes (SOW) as natural fertilizers to increase productivity and to avoid heavy metal burden in the soil and monitoring the changes in physical and chemical characters of soil due to utilization of solid organic wastes. The present study, the application of solid organic wastes has improved the physical properties of soil such as increasing the fine particles, porosity and water holding capacity. Also the chemical properties increased such as organic carbon, electric conductivity and total soluble salts. The   solid organic wastes (SOWs) exhibit several benefits such as: improving of physical and chemical characters of soil, increasing productivity of Sorghum virgatum plants.  On the other hand, SOWs have some harmful effects on: soil environment such as increasing the soil pH. Consequently, further future ecological studies should bring the view to the ideal utilization of these wastes without side effect on the environment