Biogas as a solution to the problem of waste utilisation in agriculture Nadezhda S. Sevryugina, Vladislav V. Dragulenko, Dmitry S. Sukhanov, Maxim M. Ukraintsev and Pavel T. Korchagin BIO Web Conf., 161 (2025) 00009 Published online: 27 February 2025 DOI: 10.1051/bioconf/202516100009