METHOD OF PHYTOBIOREMEDIATION OF SOILS CONTAMINATED BY IRREGULAR APPLICATION OF LIQUID MANURE Russian patent published in 2016 - IPC B09C1/00 A01B79/02 

FIELD: environmental protection.

SUBSTANCE: invention can be used to recover over-manured soils contaminated by irregular application of liquid manure with ultrahigh doses of nitrogen N_300-900 in areas of industrial livestock enterprises operation. Method of phytobioremediation of soils involves cultivation of red amaranth, seeds of which are treated before sowing with Agat-25K biological product using semidry method at the ratio of 5 g of Agat-25K biological product with the content of 1.5-3.0×10¹¹ of H16 Pseudomonas aureofaciens bacteria for 1 kg of amaranth seeds. Herewith the soil is treated: ploughed to the depth of 20-25 cm, cultivated to the depth of 10-12 cm, made tillage, harrowed, rolled and sowed with seeds with subsequent managing and gathering of green mass of amaranth. Sowing of seeds is carried out within the period of soil heating up to 10 °C with the seeding rate of 200 g of seeds for 1 hectare.

EFFECT: invention ensures effective detoxification of soils during one vegetation period.

1 cl, 3 ex, 4 tbl