Study indicated that establishing Salix psammophila checkerboard can effectively keep the earths surface from coarsening, because Salix psammophila checkerboard can obviously increase the fine sand and clay sand of soil surface, accounting for 15.1%, 18.3
Study indicated that establishing Salix psammophila checkerboard can effectively keep the earths surface from coarsening, because Salix psammophila checkerboard can obviously increase the fine sand and clay sand of soil surface, accounting for 15.1%, 18.3
结果表明：设置沙柳沙障的沙丘表层细沙含量比对照样地提高15.1%、粘粒提高18.3%、粉沙含量是对照地的1.8倍，说明设置沙柳沙障能够增加沙丘表层细颗粒含量，有效控制地表粗化。