One piece of perforated placard (Fig. 2) is placed in each sowing units (Fig. 1) according to type of the seed. Seed is held to the holes on the placard (seed shouldn’t enter into the hole) by means of the vacuum that created by impeller. Seeds that adsorbed to holes go down to bottom of sowing unit by turning discs and they fall into soil by cutting o air suction. One piece of sowing placard is engaged on each unit of machine during delivery. Producer can supply the seed discs that according to the customer's demand.