TY CONF TI Results of competitive variety testing of red clover of tetraploid and diploid types KW red clover KW source material KW breeding KW winter hardiness KW productivity JO Multifunctional adaptive feed production 27 (75) AU Novoselov, M.Y. AU Drobysheva, L.V. AU Starshinova, O.A. PY 2022 PB Federal Williams Research Center of Forage Production and Agroecology