FIELD: agriculture.
SUBSTANCE: invention relates to methods of cleaning soil contaminated with zinc and copper. Method comprises preliminary acidification compost filter-press cake in dose of 10-20 t/ha. Growing remediator plants on contaminated soil, representing firefinch and marigold, with subsequent removal. Marigolds are planted around perimeter of flower beds, and amaranth in center of flower beds. In phase of flowering aerial phytomass amaranth plant is removed and transferred to agricultural land that lack of essential trace elements zinc and copper.
EFFECT: reduced content of toxic concentration of heavy metals in root layer of soil.
2 cl, 1 tbl, 3 dwg
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