现在国内农机行业对开发玉米联合收获热情很高,已研制开发玉米联合收获机有20多种机型,主要包括自走式联合收获机9种(以3行为主),与大拖配套的5种(以2行为主),与小拖配套的单行收获机6种,这些可以代表国内目前的技术水平。目前,玉米联合收获的主要作业内容是:摘穗、果穗收集、秸秆粉碎等,由于该项技术起步较晚,从机具 Nowadays, the domestic agricultural machinery industry is enthusiastic about developing corn coalescence. There are over 20 kinds of corn combine harvesters, including 9 kinds of self-propelled combine harvesters (mainly in 3 lines), 5 (Mainly 2 lines), 6 types of single-row harvesters with small trailers, which can represent the current technical level in China. At present, the main operations of corn combine harvesting are: picking ears, ear harvest, straw crushing, etc., as the technology started later, from the machine