粉沙含量 meaning in Chinese

silt content

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 % , powder sand increased by 1 . 8 times
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。