Abstract
A greenhouse experiment was conducted to study the effect of chelating agent disodium salt of ethylenediaminetetraacetic acid (EDTA) on nickel phytoextraction with rapeseed plants (Brassica napus (L.) subsp. oleifera Metzg.) as test crop in the contaminated with Ni (40 and 120 mg/kg) Albic Luvisol. The use of EDTA at a dose of 0.5 mmol/kg of soil increased the nickel uptake by plants by 1.9 - 2.4 times compared to EDTA unamended soil. Due to the absence of phytotoxic effect, values of uptake, bioaccumulation and translocation coefficients, the highest efficiency of nickel phytoextraction by rapeseed plants was achieved at doses of metal in the soil at the level of approximately permissible concentration (40 mg/kg). Keywords: PHYTOREMEDIATION, INDUCED PHYTOEXTRACTION, NICKEL, CHELATING AGENT, DISODIUM SALT OF ETHYLENEDIAMINETETRAACETIC ACID (EDTA), SPRING RAPESEED, POLLUTION, ALBIC LUVISOL
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