玉米机械化收获是我国农民多年的梦想,也是我国3大粮食作物中起步较早而实现最慢的机械收获作业。我国开始研制生产玉米联合收获机已有40多年的历史了,在这个过程,经历了3次发展高潮,但玉米收获机的真正普及推广还有很长的路要走,仍 Mechanization of harvesting of maize is the dream of many peasants in our country for many years and the slowest harvesting operation of machinery in our country’s three major grain crops. China began to develop and produce corn combine harvester for more than 40 years. In this process, it experienced three upsurges of development. However, there is still a long way to go before the real popularization and promotion of corn harvester.