Abstract
The introduction of low-density polyethylene (LDPE, 1-5 g/kg) into a poorly humified Typical chernozem resulted in negative effects on the growth of soybean plants and formation of nodules on their roots. At the same time this toxic impact from LDPE was completely neutralized after the soybean seeds had been bacterized with the Rhizobium japonicum RD2 strain – there were no statistical differences in the plant growth parameters and root nodule number observed between the parallel cases where the bacterized seeds were grown in soil with and without LDPE. The introduction of LDPE into soil had a significant stimulating effect in the case of vetch plants: the plant dry biomass increased by 39,3-64,3%, and the number of root nodules – by 2,4-2,8 times. As a result, it was demonstrated that soybean and vetch plants possess a phytoremediation potential for the cases of soil pollution by LDPE. Further research is recommended to evaluate and implement this potential.
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