TY JOUR TI APPLICATION OF EDTA, SUCCINIC ACID IN THE COURSE OF PHYTOEXTRACTION OF NICKEL AND CADMIUM FROM THE POLLUTED SOILS KW heavy metals KW nickel KW cadmium KW versenate KW succinic acid KW phytoremediation KW pollu-tion of the soil KW colza KW mustard KW morphometric pa-rameters KW phytotoxic effect JO Bulletin of KSAU AU Lvova, V.A. AU Korotchenko, I.S. PY 2017 IS PB Krasnoyarsk State Agrarian University