TY JOUR TI BIOTESTING METHOD USE IN THE PROCESS OF THE SNOW COVER POLLUTION ANALYSIS IN KRASNOYARSK CITY KW snow cover KW cress KW germinating energy KW seed germination ability KW seedling length KW seedling weight JO Bulletin of KSAU AU Kiriyenko, N.N. AU Cherepanova, A.S. PY 2012 IS 0 PB Krasnoyarsk State Agrarian University