METHOD OF BIOLOGICAL RECULTIVATION OF PRODUCTIVE LAND POLLUTED WITH OIL TOGETHER WITH LAYER WATER IN STEPPE, FOREST STEPPE AND SEMIARID LAND ZONES Russian patent published in 1997 - IPC

FIELD: ecology. SUBSTANCE: invention relates to recultivation of productive soils polluted with oil with industrial layer water at weak degree (3 g/m²,), medium degree (15 l/m²;) and strong degree (30 l/m²). Method involves by-step agrotechnical and phytomeliorative land treatment for some years (treatment with sorbents, loosening, snow fence, harrowing, plowing in, desalting and others). Treatment depends on season and land pollution degree. Invention can be used in petroleum industry and agriculture. EFFECT: improved method of land recultivation. 3 cl, 3 tbl