Experimental Teaching Center Shenyang Normal University Shenyang 110034 China;
Experimental Teaching Center Shenyang Normal University Shenyang 110034 China;
Experimental Teaching Center Shenyang Normal University Shenyang 110034 China;
Yingkou Agricultural and Rural Comprehensive Development Service Center Yingkou 115004 China;
Experimental Teaching Center Shenyang Normal University Shenyang 110034 China;
Agricultural ecology; Northeast rural areas; Domestic waste; Classification treatment;