TY CONF TI Study of the alfalfa collection in the conditions of the steppe of the Central Chernozem region according to the main economically valuable characteristics KW alfalfa KW breeding source material KW productivity KW dry matter KW seed yield JO Multifunctional adaptive feed production 27 (75) AU Saprykin, S.V. AU Saprykina, N.V. AU Lyubtseva, O.N. PY 2022 PB Federal Williams Research Center of Forage Production and Agroecology