RETRACTED: The timing of oilseed flax sowing in the steppe zone of Western SiberiaArtem Orlov, Nikolay Rendov, Vasily Ershov, Ekaterina Nekrasova and Svetlana MozylevaE3S Web Conf., 420 (2023) 01015DOI: https://doi.org/10.1051/e3sconf/202342001015