... ,working efficiency 6-12 mu/hour.The 08 pattern center transmission power push precise seeder unit in ... when you must return back,lift the sower,and pay attention to the sowing depth and amount,fill in the ... the seeds is full in the seed box,pay attention to the maintence of the sower,clean the mud ... seeds transfer tube and the ditch opening tube,to eliminate the resistance,make sure the quality of ...