FIELD: fertilizers.
SUBSTANCE: invention relates to producing organomineral fertilizers with using domestic sewage waters. Method involves mixing sewage waters with solution containing fulvic acids isolated from turf. Prepared suspension is heated to 40-55°C, activated in magnetic field and suspension is separated by centrifugation. Isolated solid phase is mixed with gel-like deposit containing humic acids isolated from turf and obtained product is treated with calcium hydroxide solution and subjected for aeration. Method provides enhancing quality of fertilizer due to reducing content of heavy metals in product.
EFFECT: improved method for preparing.
5 cl, 2 tbl, 1 ex
