TY JOUR TI ESTIMATION OF PRODUCTIVITY, STRUCTURE COMPOSITION AND NITROGEN MOBILE FORM AVAILABILITY IN THE PERENNIAL LEGUMINOSE GRASS SOWINGS OF THE KRASNOYARSK FOREST STEPPE LEACHED CHERNOZEM KW eastern galega KW productivity KW macrostructure KW easy hydrolysable KW ammoniacal KW nitrate nitrogen JO Bulletin of KSAU AU Avetisyan, A.T. AU Belousova, E.N. AU Belousov, A.A. PY 2012 IS PB Krasnoyarsk State Agrarian University