一、收割机的选购选购一台称心如意的收割机械,并能长久耐用,是农民朋友十分关心的问题。在选购联合收割机时,应该掌握以下原则:1.考虑土地规模若地块较小,作业对象为一家一户分散种植的,应以选购中小型联合收割机为主。若土地连片,实行区域化种植的,可选用大中型联合收割机。? First, the purchase of harvesters buy a desirable harvesting machinery, and long-term durability, farmers are very concerned about the issue of friends. In the purchase of combine harvester, should grasp the following principles: 1. Consider the size of the land If the land is small, the object of work for a family of scattered planting should be based on the selection of small and medium sized combine harvesters. If the land contiguous, the implementation of regional planting, can choose large and medium-sized combine harvester. ?