TY CONF TI ALFALFA VARIETIES ZONED IN THE CENTRAL CHERNOZEM ZONE OF THE RUSSIAN FEDERATION KW varieties KW alfalfa KW State variety testing KW Register of selection achievements KW yield KW type KW variety type JO Multifunctional adaptive fodder production AU Stepanova, G.V. PY 2025 PB Federal Williams Research Center of Forage Production and Agroecology