%0 Journal Article %T PERENNIAL GRASS CENOTIC ACTIVITY IN THE SECOND YEAR OF GROWTH DEPENDING ON THE NITROGENOUS FERTILIZER NORM IN THE PRIMORSKY REGION CONDITIONS %A Ryzhenko, O.V. %K perennial grasses, grass mixtures, mineral fertilizers, cenotic activity, yield structure %J Bulletin of KSAU %D 2012 %N %P 3 %I Krasnoyarsk State Agrarian University