山东省宁津县农具制修厂研制成功一种BM-2A型畜力双行棉花播种机。该机主要由机架、种子箱、排种器、开沟器、覆土器、牵引杆、划行器、地轮、镇压轮、扶手等组成。其特点:简单轻便,下种均匀,深浅一致,行距,播深可调,能一次完成开沟、下种、覆土和镇压四项作业。主要技术参数 Ningjin County, Shandong Province farm tools factory successfully developed a BM-2A-type livestock double cotton sowing machine. The machine is mainly composed of a machine frame, a seed box, a seed metering device, a opener, a covering device, a drawbar, a planner, a ground wheel, a repression wheel, an armrest and the like. Its characteristics: simple and light, under the kind of uniform, the same depth, row spacing, sowing adjustable, to complete a ditch, the next species, soil and repression of the four operations. The main technical parameters