“玉米高产薄型专用地膜”日前在吉林省长春市通过了由中科院组织的验收。鉴定意见称,这种地膜“高产、高效的同时比普通地膜亩投入成本降低1/3。对作为世界玉米大国的我国农业科技发展具有重要现实意义。” “Maize high-yield thin special film” recently in Changchun City, Jilin Province adopted by the acceptance by the Chinese Academy of Sciences. According to the appraisal opinion, this kind of mulch film has the characteristics of “high output and high efficiency, while reducing input cost by one third compared with that of common mulch film”, which is of great practical significance for the development of agricultural science and technology in China as the world corn power.