TY CONF TI ROLE OF PERENNIAL HERBS IN THE DEVELOPMENT OF DEPLETED PEAT SOILS IN THE VOLGA-VYATKA ECONOMIC REGION KW developed peat bog KW cereal grasses KW mineral fertilizers KW productivity KW root mass KW organic matter JO Multifunctional adaptive fodder production AU Kovshova, V.N. PY 2025 PB Federal Williams Research Center of Forage Production and Agroecology