Based on Kunming statistical yearbook and field survey data of agricultural non-point source pollution in counties or districts in the Dianchi Lake basin, previ
Based on the monitoring results of environmental quality in the sea area near the Aojiang estuary in Wenzou during 2010 - 2012, the present situation of environ
A combined process of biological aerated filter, fiber ball filter and chlorine dioxide disinfection was used to treat effluent of primary hospital wastewater i
The concept of " natural forces" is proposed in farming field for the first time,and the core theory of Fenlong tillage is illustrated. This tillage method prov