TY JOUR TI ISLAND FLOOD PLAIN MEADOWS SOILS IN THE NORTHERN DVINA RIVER KW flood plain KW meadows KW soils KW classification KW characteristics JO Bulletin of KSAU AU Nakvasina, E.N. AU Parinova, T.A. AU Kopylova, M.V. PY 2012 IS PB Krasnoyarsk State Agrarian University