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.

In accordance with the character of poor nitrogen and phosphorus in soils in semiarid cold region with high elevation in northwest Hebei, the experiments of soil fertility improvement with organic and mineral fertilizers were conducted on meadow chestnut soil in drought shoaly land from 1992 to 1994.

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