Barabanshchikova
Lyudmila Nikolaevna,
Candidate of Biological Sciences, Associate Professor, State Agrarian University of the Northern Trans-Urals,
e-mail: bar.2000@mail.ru

Biological activity of humic acids of bottom sediments of lakes of the Middle Ob region
Shpynova N.V., Sartakov M.P., Barabanshchikova L.N., Rybachuk O.V.
         2023,    N 2