TY JOUR TI THE STUDY OF SOIL AGROCHEMICAL CHARACTERISTICS OF ZONE SOILS OF COAL-MINING ENTERPRISES OF KEMEROVO REGION KW recultivation KW zone soils KW particle size KW humus KW heavy metals KW acidity KW substratum JO Bulletin of KSAU AU Yakovchenko, M.A. AU Ermolaev, V.A. AU Kosolapova, A.A. AU Alankina, D.N. PY 2017 IS PB Krasnoyarsk State Agrarian University