The resources of desertified soil and the effect of biological soil building measures in Hexi Corridor;

<Abstrcat> The geographic distribution, soil forming conditions, physico-chemical properties and main subgroups of desertified soil in Hexi Corridor are discussed.

Application of image segmentation in desertification control effect evaluating;

Based on the analysis of the present situation in soil and water erosion ws well as desertification in Qinhai, some problems with soil and water conservation as well as desertification control were pointed out and suggestions relevant were put forward.

The major polymer materials used in desertification control are introduced, and feasibilities and problems regarding their application in stabilizing sandy soils and absorbing and holding water are discussed.

On the Function of China's Government in Combating Desertification;

Effects of land use on organic carbon and nutrient contents in desert soil;

To study the water–holding capacities of desert soil and the soil improved with coal ash and sewage sludge,experiments were designed to simulate rainfall and natural evaporation.

To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation.

Analysis on stability of plant community under different measures of desertification control in Yanchi County,Ningxia;