Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

The experimental scheme
| Object | Rubber rag content in soil [g×kg−1 DM* soil] |
|---|---|
| 0 - control | 0 |
| I | 10 |
| II | 50 |
| III | 100 |
Heavy metals’ content in rubber rag [μg×g−1]
| Ni | Cd | Fe | Cu | Mn | Zn | Pb |
|---|---|---|---|---|---|---|
| 1.02 | 0.91 | 607.50 | 57.42 | 12.50 | 7386.51 | 12.50 |