TY JOUR TI REMOVAL, THE UTILIZATION OF NUTRIENTS SUNFLOWER DEPENDING ON THE APPLICATION OF BIOLOGICAL PRODUCTS KW sunflower KW biological products KW the utilization rate of nutrients from fertilizers KW leaching of nutrients. JO Vestnik of Kazan State Agrarian University AU Nizamov , R.. AU Suleymanov , S.. PY 2015 IS 10 PB Kazan state agrarian University