TY JOUR TI Influence of the main ways of processing on the water mode and density of the gray forest soil and productivity of cultures in a crop rotation KW available moisture reserves KW soil density KW methods of basic tillage KW crop rotation KW green manure KW barley yields KW yield of green mass of clover. JO Vestnik of Kazan State Agrarian University AU Koposov, G.. AU Ryzhikh, L.. AU Zamalieva, F.. AU Lipatnikov, A.. PY 2014 IS 9 PB Kazan state agrarian University