%0 Journal Article %T CHANGES IN THE COMPOSITION OF POLY-SPECIESSOWINGS OF FODDER CROPS BY YEARS AND THEIR PRODUCTIVE LONGEVITY UNDER THE UPPER VOLGA REGION %A Esedullaev, S.T. %K forage crops, legumes, cereals, mixed cultures, composition, density of herbs, botanical composition, longevity, productivity, nutrient content and their balance %J Adaptive Fodder Production %D 2020 %N 2020 %P 17 %I Federal Williams Research Center of Forage Production and Agroecology