**Appendix A**

**Figure A1.** *Echinochloa frumentacea* shoots (1.5 monthly) grown on the soils of the experimental zones: from left to right: background, Tulachermet, KMP, Embankment, highway (Lenin Ave.).

**Figure A2.** The relative abundances at the phylum level of the microbial communities in the rhizosphere of *E. frumentacea* grown on different soils.

**Table A1.** Taxonomic structure of rhizosphere microbial communities of *E. frumentacea* (%).

