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RI classification of P. notoginseng cultivation soil.
| Potential Ecological Risk Degree | Min | Max | Mean | Comprehensive Potential Environment Risk Index | |||
|---|---|---|---|---|---|---|---|
| RI ≤ 150 Slight | 150 < RI ≤ 300 Moderate | 300 < RI ≤ 600 Strong | RI > 600 Extremely Strong | ||||
| RI | 95.8 | 895.1 | 318.7 | 10 | 16 | 6 | 5 |
| Proportion | 27.0% | 43.2% | 16.2% | 13.5% | |||
