粮棉套作地区春播期间的绿肥埋青作业是一项季节性强、占用劳力多、劳动强度大的作业,因此迫切要求实现绿肥埋青机械化。东台农机修造厂的广大工人、干部和技术人员组成了“三结合”的研制小组,他们吸取了东台三仓农机厂多年研究的经验,经过一年来的反复实践,特别是在多次表演中,听取了群众的意见,使机具逐步完善,终于在去年四月份试制出与东风—12型手扶拖拉机配套的 Grain cotton cover for greening during the spring sowing area is a seasonal strong, labor-intensive, labor-intensive operations, so the urgent need to achieve the green fat buried mechanization. The majority of workers, cadres and technicians in Dongtai Agricultural Machinery Repair Factory formed the research team of “three combinations”. They learned many years of research experience from Dongtai Nanguang Farm Machinery Factory. After several years of repeated practice, especially after many performances , Listened to the opinions of the masses, so that equipment gradually improved, and finally trial in April last year and Dongfeng -12 walking tractor supporting