我省淮南地区,稻茬麦种植面积约2,000万亩,历来采用撒播种植。这种播种方法质量差,容易形成“丛籽、露籽、深籽”,而且不利于中耕除草,不利于施肥和管理,特别是稻麦连作,草害日趋严重,产量损失很大。七十年代以来,我省各地有关部门,针对这个问题,多处布点示范, In Huainan of our province, the planting area of ​​rice stubble is about 20 million mu and it has always been used for sowing and planting. This sowing method is poor in quality and easy to form “bushes, dew seeds and deep seeds”, and is not conducive to the cultivation and weeding, is not conducive to fertilization and management, especially rice and wheat continuous cropping, grass growing serious losses in yield. Since the seventies, relevant departments in all parts of our province have directed a number of demonstrations on this issue.