Summary: Plant growth stimulator «DAG-2» is not a source of air pollution of the working area for sowing cotton seeds treated with this drug. However, working conditions and the nature of work processes when sowing tractor cause adverse shifts physiological responses of various systems of the body, there is a likelihood of the risk of professional diseases caused by indicating the need to implement measures to improve working conditions.

Key words: working conditions, harmful production factors, and the functional state of the body, due to the risk of professional diseases.