%0 Conference Article %T Analysis of the source material of variable alfalfa in various ecotopes of the Central Chernozem region %A Borodaeva, Z.A. %K ecological breeding, feed productivity, seed productivity, mf mutation, polycross method, dispersion analysis, the share of influence of factors %J Multifunctional adaptive fodder production %D 2022 %P 6 %I Federal Williams Research Center of Forage Production and Agroecology