TY JOUR TI STRONTIUM (Sr) AND VANADIUM (V) IN ARABLE SOILS UNDER LONG-TERM FERTILIZATION KW arable soil KW organic-mineral fertilizers KW strontium KW vanadium KW physical and chemical properties of soils JO Agrarian Bulletin of the AU , .. AU , .. PY 2018 IS 174 PB Ural State Agrarian University