Abstract: 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.

 
  • 文摘: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。
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