For citations:

Kirdey T.A., Veselov A.P. PHYTOPROTECTIVE EFFECT OF AMMONIUM HUMATE AT HIGH COPPER CONCENTRATIONS IN THE ENVIRONMENT. Povolzhskiy Journal of Ecology. 2016;(4):390-398. (In Russ.) https://doi.org/10.18500/1684-7318-2016-4-390-398