TY JOUR TI Optimization of technological methods for cultivation of red fescue for seeds KW stiff red fescue (Festuca rubra L. subsp. commutata Gaud.) KW varieties KW yield KW seeding rates KW sowing methods KW mineral nitrogen fertilizer KW sowing timing KW harvesting methods KW productive longevity JO Adaptive Fodder Production AU Zolotarev, V.N. PY 2025 IS 2025 PB Federal Williams Research Center of Forage Production and Agroecology