TY CONF TI AGRO-ENERGY EFFICIENCY OF CREATION AND LONG-TERM INTENSIVE USE OF EARLY- AND MEDIUM-RIPENING CEREALS GRASS STANDS KW different-ripening cereal grass stands KW three mowings KW longevity KW agro-energy efficiency KW natural factors JO Multifunctional adaptive fodder production 26 (74) AU Zhezmer, N.V. PY 2021 PB Federal Williams Research Center of Forage Production and Agroecology