TY JOUR TI HEAVY METAL (Pb, Cu) ACCUMULATION IN THE SOIL-PLANT SYSTEM WHEN USING VARIOUS DETOXICANTS KW leached chernozem KW lead KW copper KW detoxicants KW cationite KW superphosphate KW sodium humate KW bird dung KW cumulation KW heavy metal mobile fraction absorption factor JO Bulletin of KSAU AU Korotchenko, I.S. AU Eskova, E.N. PY 2012 IS PB Krasnoyarsk State Agrarian University