%0 Journal Article %T Two-cut use of perennial fodder agrocenoses in the conditions of the northern regions of Russia %A Shamanin, A.A. %A Popova, L.A. %K perennial grasses, reed fescue, red clover, productivity, crop structure, protein yield, nutritional value of green mass %J Agrarian Bulletin of the %D 2023 %N 23 %P 11 %I Ural State Agrarian University