TY JOUR TI FEATURES OF FORMATION OF DENSITY OF PERENNIAL GRASSES GRASS STANDS AND THE EVALUATION OF THEIR EFFICIENCY IN THE APPLICATION OF JOINT AND STRIP CROPS IN CONDITIONS OF THE BAIKAL TERRITORY KW single-species KW two-species KW mixed KW joint KW strip KW crops KW germination KW survival rate KW density of grass KW competitive relations KW productivity KW bro-mopsisinermis KW galegaorientalis KW buniasorientalis KW polygonumdivaricatum JO Bulletin of KSAU AU Anatolyan, A.A. AU Butyrin, M.B. AU Tirikov, A.V. AU Shurko, D.A. PY 2018 IS PB Krasnoyarsk State Agrarian University