... One hole only one seed, no need to thin out seedling. Main Technical Parameter Model: 2BCYF-22BCYF-32BCYF-4 2BCYF-5 ... clearance, evenly sowing, stable, seeds-saving and less thin out seedling.Adopts "zero speed", equal potential energy, low position feeding seeds ... , precise dibbling hole, seedling is even and sturdy, seedling spacing is even. Mainly for sowing corn, can ...