TY JOUR TI Agroecological condition of arable soils in the forest-steppe of the Republic of Bashkortostan KW agrochemical properties of soils KW monitoring KW humus KW plant nutrients KW heavy metals. JO Vestnik of Kazan State Agrarian University AU Bayazitova, R.. AU Asylbaev, I.. AU Sereda, N.. AU Rodin, N.. AU Bayazitova, L.. PY 2014 IS 9 PB Kazan state agrarian University