SANITATION OF OVER-MANURED SOILS BY PHYTOREMEDIATION METHOD Russian patent published in 2017 - IPC B09C1/00 

FIELD: agriculture.

SUBSTANCE: invention can be used for sanitation of soils contaminated by non-standardized application of non-disinfected liquid manure in ultrahigh doses of nitrogen N_300-900, in the operation areas of industrial livestock enterprises. The phytoremediation method includes cultivating oilseed radish resistant to growth in over-manured soils, the rhizosphere of which has a strong biocidal effect. Mechanical soil tillage, early spring ploughing to a depth of 20-25 cm, cultivation to a depth of 10-12 cm, loosening, harrowing, packing and sowing seeds, followed by care and harvesting the green mass of oilseed radish. Seed sowing is performed in the period of soli warming-up to 2-3°C, at the sowing rate in case of sowing in broad drills - up to 6 kg, in case of sowing in continuous drills - 16-18 kg/ha.

EFFECT: said method allows to ensure effective sanitation of soils.

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