我国农作物秸秆数量大,种类多,分布广,每年秸秆产量6.5亿吨左右。虽然农作物秸秆综合利用已初见成效,但由于我国分散经营的小农模式和传统意识,大量秸秆目前仍然停留在焚烧或弃置。近年来秸秆焚烧还有不断加重趋势,严重污染了环境,大量焚烧秸秆造成漫天浓烟,还严重威胁飞机和汽车的交通安 China’s large number of crop stalks, many species, widely distributed, annual straw output 650 million tons. Although the comprehensive utilization of crop straws has achieved initial success, due to the decentralized mode of small-scale farmers in our country and the traditional awareness, a large amount of straw remains in incineration or disposal at present. In recent years, there has been an increasing trend of straw burning, which has seriously polluted the environment and caused a lot of burning of straw to cause heavy smoke. It also seriously threatens the traffic safety of aircraft and automobiles