%0 Journal Article %T ESSENTIAL PROBLEMS OF FODDER QUALITY EVALUATION AND STANDARDIZATION %A Popov, V.V. %K forage, quality, sampling, the analysis, detergents, IK-spectroscopy, in vitro digestibility %J Adaptive Fodder Production %D 2022 %N 2021 %P 12 %I Federal Williams Research Center of Forage Production and Agroecology