The article presents the results of the study of soil pollution of some agrocenoses of the Rostov region with the most persistent pesticides. The ecological safety of the studied soils with respect to organochlorine, sim-triazine pesticides derived from 2,4-dichlorophenoxyacetic acid has been confirmed. The obtained results create prerequisites for the development of organic crop production and certification of products as environmentally friendly, which makes it possible to position the region as a favorable agricultural zone.