TY JOUR TI The quality of pork according to the back fat thickness KW agrocenosis KW mixed fertilizers KW crop yield KW bioactivity KW the economic take-away KW aggregate structural and chemical composition of gray forest soils. JO Vestnik of Kazan State Agrarian University AU Pinchuk, V.. AU Ryabicheva, A.. AU Streltsov, V.. AU Streltsova, Z.. PY 2013 IS 8 PB Kazan state agrarian University