Conservation tillage is an effective method to prevent soil from wind and water erosion in northern arid regions of China. However, one of the most important limitations to conservation tillage is qualified no-tillage planter. The opener of the no-tiilage planter often can't break up corn rootstalks and penetrate into the soil so as reducing the performance of the planter. In order to solve this problem a new method of dealing with corn rootstalk is put forward and a new model of no-tillage plant...