TY JOUR TI THE ASSESSMENT OF NEW PERSPECTIVE SOURCES OF RAISED EFFICIENCY AND THE QUALITY OF GRAIN OF BARLEY IN THE CONDITIONS OF SOUTHERN FOREST-STEPPE OF WESTERN SIBERIA KW grade KW protein KW fat KW productivity KW in-dex of environment conditions KW coefficients of varia-tion KW correlation and linear regression JO Bulletin of KSAU AU Yusova, O.A. AU Nikolaev, P.N. PY 2016 IS PB Krasnoyarsk State Agrarian University