Pre-sowing treatment of flax seeds with a growth activator and polymer E.K. Barnashova, E.A. Vertikova, S.S. Derevyagin, A.D. Simagin and A.S. Simagina BIO Web Conf., 139 (2024) 05011 Published online: 15 November 2024 DOI: 10.1051/bioconf/202413905011