TY JOUR TI Scientifically based approaches to feed production in the conditions of risky agriculture in the Republic of Sakha (Yakutia) KW sorghum-sudan grass hybrid KW productivity KW digestible protein KW green mass KW feed unit KW mixed crops KW juicy feeds KW silage KW haylage JO INTERNATIONAL AGRICULTURAL JOURNAL AU Zhirkova, N.N. AU Pavlova, S.A. AU Pestereva, E.S. AU Pestereva, E.S. AU Zakharova, G.E. PY 2025 IS 0 PB Electronic science