Review of the researches on theory and technology of regulation for high efficient utilization of water resources in the irrigation and drainage system;

With the analysis on the water shortage situation in Shanxi Loess Plateau, this paper puts forward a mechanized technology system for highly efficient use of rainfall in dry farmland of Shanxi Loess Plateau which integrates the essential technologies of stalk mulching, deep loosing and furrow drilling along the two sides of film with the development of new pattern and key farm implements.

Research on technique of efficient utilization of summer fallow land in Weibei tableland;

The authors look forward to the relation between green chemistry and efficient utilization of mineral resources and discuss the characteristics of traditional mineral processing process, the importance of application of green chemistry, the mineral processing and metallurgical processes friendly to environment and how to develop green chemistry and technologies.

The construction of the water saving Shanxi is a resultful approach for the realization of the water resources sustainable utilization and efficient utilization.