FIELD: microbiological cleaning and re-cultivation of soils contaminated with oil and petroleum products. SUBSTANCE: proposed includes treatment of soil with compound containing oil-refining bacteria together with biodegradable agents of the following trophic level - earthworms. Process of motion and propagation of bacteria is accelerated due to transfer of microbiological compounds over perimeter and in depth by earthworms, thus facilitating access of oxygen to deep layers of soil contaminated with oil. Proposed method ensures activation of destruction of oil contamination promoting re-cultivation of soils due to forming bio-humus and improving structure of soils. EFFECT: enhanced efficiency. 1 dwg, 2 tbl
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