浅谈玉米联合收获机目前在我国玉米联合收获机处于研制和小批量生产的起步阶段。虽然玉米收获机能从时间和劳动强度上给农民以实惠，但都不能解决玉米秸秆粉碎问题，严重影响了下茬耕地、播种作业。若专用旋耕机灭茬，每公顷要多花３７５－４５０元。这种情况说明，生产玉... Talking about the corn combine harvester at present in our country corn combine harvester in the development and small batch production of the initial stage. Although the corn harvester benefits farmers from time and labor intensity, they can not solve the problem of corn straw crushing and seriously affect the cultivation and sowing operations of the next crop. If the special rotary tillage machine, per hectare to spend 375-450 yuan more. This situation shows that the production of jade ...