... Specification of JY-YB-61. Pneumatic planter/corn drill,multi-purpose,for corn,soybean,cotton,and other ... which can realize precise sowing single seed. One hole only one seed, no need to thin out ... adjusting by customers, in case of making empty hole and affecting the single seed rate.3. ... consistent.Main technical parameter 6 rows corn seed drill,corn planter,precision pneumatic planter,corn seeder ...