stubble seeding

Through field investigation on soils of different tillage ways and soils with different kinds of stubbles,the results indicated that,the effect of anthropogenic factors on wind erosion is great,and wind erosion of grasslands,soils with stubbles and ploughed farmlands was obvious different.

留茬地因为表面残茬的存在显著增加了土壤表面粗糙度,从而使得其风蚀强度较小;而秋翻地人为扰动较大,表面覆盖度较小,其风蚀强度在所研究的土壤中为最大。