TY JOUR TI AGROCHEMICAL MONITORING OF FARMLANDS OF KRASNOYARSK FOREST-STEPPE KW Krasnoyarsk forest-steppe KW farm-lands KW agrochemical monitoring KW effective soil fertili-ty of soils KW microcells KW heavy metals KW fluorine KW eco-logically safe production JO Bulletin of KSAU AU Demidenko, G.A. PY 2017 IS PB Krasnoyarsk State Agrarian University