玉米秸秆还田新办法玉米秸秆机械粉碎直接还田，已成为各级政府和广大群众的热门话题。近年来，尽管采取了许多措施推广此项技术，但焚烧秸秆的现象始终未断，致使石家在飞机场１９９７年发生几次天空烟雾弥漫，航班客机不能降落而改航。正定县为了解决这一难题，采取了以... New methods of returning corn stalks to corn straw mechanical crushing back to the field, has become a hot topic at all levels of government and the general public. In recent years, despite the many measures taken to promote this technology, the phenomenon of incineration of straw has not stopped. As a result, several air strikes occurred at the airport in 1997, causing flights to fail to land and divert airlines. Zhengding County in order to solve this problem, taken to ...