TY JOUR TI CARBON AND NITROGEN OF ORGANIC SOIL COMPOUNDS IN THE CONDITIONS OF THE POLLUTION BY THE COPPER SMELTING PLANT EMISSIONS KW soil pollution KW Copper-smelting plant KW water-soluble organic substance KW humus KW intra-profile distribution JO Bulletin of KSAU AU Khlystov, I.A. PY 2015 IS PB Krasnoyarsk State Agrarian University