从内容上来看主要可分为六行整体仿形小麦免耕播种机的设计与试验研究和错开式双圆盘开沟器的探索研究。
In terms of the content, the research items include designing and testing six rows no-till wheat planter with whole profile modeling and include researching an opener of stagger double discs.
为与铲式成穴器的结构特点相适应，选择倾斜圆盘勺式玉米精密排种器作为打穴播种机的排种机构。
For the usage of the spade soil opener in a punch planter the precision metering device with declined scoop type disc was selected for maize seeds.
为了改善水稻垂直圆盘气吸式排种器的排种性能，找出影响其排种性能的关键因素，按照国标GB-6973-86《单粒（精密）播种机试验方法》中排种指标的计算方法来衡量排种性能。
To improve the rice vertical disk seed sowing device function, find out affect sow key factor. According to the country GB-6973-86to measures the sowing seed function.
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