TY JOUR TI Agrophysical properties and water regime of gray forest soil at various fertilizer systems and tilling methods on the example of spring wheat KW soil fertility KW agrophysical indicators KW water regime KW fertilizer KW tillage KW spring wheat . JO Vestnik of Kazan State Agrarian University AU Shakirov, R.. AU Gilaev, I.. PY 2014 IS 8 PB Kazan state agrarian University