The quantity of planting materials discharged by planting machinery per unit time is stable; Uniform distribution of planting materials in unit area, unit length or each hole; The plant spacing, row spacing, hole spacing and planting depth of planting materials in the field or plot are basically the same. The damage of planting materials was less and the survival rate was higher.

Fertilizer machine for mixed application of seed fertilizer is the fertilizer and seed into the same seed delivery pipe, applied to the bottom of the ditch opened by the same ditcher. Mixed application of seed and fertilizer is easy to burn the seeds with fertilizer.