TY CONF TI New variety of meadow timothy grass Grivskaya for Smolensk region KW meadow timothy KW selection KW breeding KW selection KW yield KW seed productivit JO Multifunctional adaptive fodder production AU Kostenko, S.I. AU Kol'cov, A.V. PY 2025 PB Federal Williams Research Center of Forage Production and Agroecology