目前,国内生产的播种机排种器主要有气力式和机械式两大类。气力式排种器播种效果好,但需要的配套动力大,而占农村动力机械 绝大多数的小四轮拖拉机远远不能满足气力式播种机的动力需要。传统的机械式排种器功能单一,只能播种玉米、大豆等粮食作物,而且碎种率高。针对以上问题,黑龙江省勃农机械有限责任公司技术科 At present, the domestic planter seeder mainly pneumatic and mechanical two major categories. Pneumatic seeding sowing effect is good, but the need for supporting power, and accounted for the vast majority of rural power machinery small four-wheel tractors far can not meet the power of pneumatic seeder needs. The traditional mechanical seeder has a single function, can only sow corn, soybeans and other food crops, and high seed rate. In response to the above questions, Heilongjiang Province Bohn Machinery Co., Ltd. Technical Branch