苏联的主要谷物区,差不多100％的結穗谷物都是用康拜因收获。但是,由于采用康拜因作为主要的收获机具,技术很复杂,因而有下面的一些重大缺点:收获谷物要使用复杂及笨重的机組,在地里行走;康拜因收获后的谷粒加工及藳杆的收集过程中段落很多;收获过程中,用于藳杆及穎壳堆垜的劳动量很大。 The main cereal area of ​​the Soviet Union, almost 100% of the earliest cereal grains are harvested by the Kangbayin. However, the technical complexity of using Combine as the main harvesting implement has the following major drawbacks: harvesting of cereals requires the use of complex and cumbersome units to walk in the ground; and harvesting of Combine after grain processing There are many passages in the process of collecting tuna rods. During the harvesting process, there is a lot of labor involved in tying rods and piles.