Transverse and longitudinal irregularity of sowing is the main criterion of seeding quality, and thus the quality of the drill, which performs a seeding. Irregularity of sowing is influenced by various factors such as: shape, the angular velocity of the sowing roller, the coulter tube, the drill coulter, and in the case of pneumatic drills- dimensions of distribution cap, air speed, etc. The correct choice of these parameters requires laborious empirical research in laboratory and field conditions. Such studies consist in performing trial sowings and then counting or weighing the seeds sown by different drill coulters and measuring the distance between seeds in a row. To improve these chores and to facilitate the sowing process in the laboratory, especially by using pneumatic drills, a special station has been built.