The effects of tillage on soil water content in dry areas

Annual rainfall is less than 500 mm of rainfall in the dry farming regions in order to be stored in the soil processing. At the time,and is provided with a sufficient number of the version of weed control, leveling a good soil is obtained, the temperature of the soil evaporation will be blocked, and capillarity corruption prevented erosion. Some dry land farming areas is 7-8 times a year. As a …