近年来,随着农业生产和农村经济的发展,出现了秸秆相对过剩、随意焚烧的现象,不仅污染环境,危害群众健康,而且影响交通安全,引起严重的社会问题。如何将这些秸秆变废为宝,化害为利,使其发挥最大的社会、经济和生态效益,已成为我国经济社会发展面临的紧迫课题。中国农业科学院农 In recent years, with the development of agricultural production and rural economy, the phenomenon of relative surplus of straw and its burning at will arises. It not only pollutes the environment and endangers the health of the masses, but also affects traffic safety and causes serious social problems. How to turn these stalks into rubbishes and turn harm into profits so that they can maximize their social, economic and ecological benefits has become an urgent issue facing China’s economic and social development. Chinese Academy of Agricultural Sciences