For citations:

Pleshakova Ye.V., Zelenova N.A., Ngun C.T., Reshetnikov M.V. Impact of Iron, Copper and Nickel Ions Introduced Into the Soil Separately and in Various Combinations on Soil Microbiota. Povolzhskiy Journal of Ecology. 2020;(1):66-85. (In Russ.) https://doi.org/10.35885/1684-7318-2020-1-66-85