Organic matter, total nitrogen, total phosphorus and total potassium content was higher than barren sand, increasing by 1.78, 1.97, 1.64, 1.14 times, it showed Salix psammophila checkerboard improved fertility condition of soil.

• 设置沙柳沙障后沙丘土壤有机质含量是对照地的1.；78倍，全氮含量是对照地的1