Influence of pre-sowing seed treatment in a magnetic gradient field on growth, development and productivity of long-staple flaxIgor Viktorovich Yudaev, Alexey Alekseevich Akimov, Alexey Ivanovich Belenkov and Igor Olegovich PlotnitskyBIO Web Conf., 161 (2025) 00062DOI: https://doi.org/10.1051/bioconf/202516100062