Northwestern Shanxi is located in the north China farming-grazing transitional zone with fragile ecological characters,its environmental degradation resulted from human activities is very serious.

The features of soil resources and the measures and effects of soil amelioration and utilization were studied systematically by means of field experiments, location observations and field surveys on the comprehensive harnessing experiment area of Zhuanyaogou basin in Hequ county, loess hilly region in northwestern Shanxi.

A study on the pyrite of gold deposit and its exploration significance,northeastern Shanxi province;