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联合作业机械是国外农业生产中实现全盘机械化的发展方向之一。目前,国外研制的整地和播种联合作业机械,按所联合的作业可分为四类:耕地与播种作业联合,耕地与播前整地作业联合,几项播前整地作业联合,播前整地与播种作业联合。这四种联合作业机都可以施肥和施除莠剂。耕地与播种作业联合 这种联合作业
Joint operation machinery is one of the development directions for overall mechanization in foreign agricultural production. At present, the developed land preparation and sowing joint operation machinery can be divided into four categories according to the joint operation: the combination of arable land and sowing operation, the combination of arable land and sowing before sowing, several joint sowing operations before sowing, pre-sowing and sowing Job Union. All four of these co-working machines are fertilizers and herbicides. Cultivated land and seeding operations are joint operations of this kind