Preliminary approach to soil and water conservation models of open economic zones and small residential districts in Dazhou City

The paper focused on a new soil and water conservation model of open economic zones and small residential districts,which was used for comprehensive treatment and exploiture of hilly area's soil and water losses in Dazhou city Sichuan province.Expatiating on the characteristics and advantages,this paper introduced the specific approach for soil and water conservation of the districts and main achievements in detail,which would be helpful for the rehabilitation in the district.