Abstract
The article evaluates the changes in the phytoremediation potential of Tagetes Erecta when using stress-protective additives in the form of humic acids on the example of heavy metal extraction from heavy contaminated soils in Norilsk. The researchers reveal that the application of 0.025% humic acids influences the growth of biomass and reduces the total accumulation of heavy metals in it. They also find out a negative correlation between these indicators, more pronounced on roots than on shoots. To use plants in phytoremediation it is necessary to increase the humic acid dose until the combined effect is achieved. The results of the study can be used to clean up soils contaminated with heavy metals in industrial areas of the Arctic zone.
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