Abstract:An experiment was conducted in farmland in north of China during wind erosion season to study the change of the soil and the wind erosion materials. We analyzed the relationship between wind erosion and the loss of the organic materials and nutritional elements, and the mechanization of the loss in this paper. The main results are as follows: conservation tillage is more effective in reducing wind erosion than the traditional tillage and the reduction is 50.44%. Conservation tillage can reduce the losses of organic materials and nitrogen (N), phosphorus (P), kalium (K) in a higher extent than the traditional tillage, reduction of organic materials is 48.80%, nitrogen (N) 49.04%, phosphorus (P) 48.51% and kalium (K) 50.52% respectively. The loss rates of phosphorus (P), in the traditional and conservation tillage, are 12.24% and 5.93%, respectively, which is the highest, and the loss rates of organic materials are 11.53% and 4.31%, respectively. The loss rates of the soil, in the traditional and conservation tillage, are 5.29% and 2.62%, respectively; while the loss rates of nitrogen (N) are 2.31 and 2.26 times higher than the loss rates of the soil, respectively, at the same time, the loss rates of organic materials are 2.18 and 1.65 times higher than the loss rates of the soil, respectively.
