TY CONF TI INFLUENCE OF MINERAL AND ORGANIC FERTILIZER SYSTEMS ON PRODUCTIVITY OF LONG-TERM PASTURE HERBAGE KW long-term cultural pasture KW long-term herbage KW yield KW feedability KW mineral and organic fertilizer systems KW productivity JO Multifunctional adaptive fodder production AU Smirnova, A.V. PY 2025 PB Federal Williams Research Center of Forage Production and Agroecology