Table 2.
Physical and chemical properties of Pb-contaminated tea garden soil.
| Treatments | Total Pb (mg·kg−1) | pH | Moisture content (%) | Organic matter (%) | C/N |
|---|---|---|---|---|---|
| CK | 17.08 ± 1.72 f | 3.60 ± 0.08 a | 14.17 ± 0.67 c | 2.33 ± 0.04 a | 18.00 ± 3.88 a |
| ML | 105.40 ± 3.54 e | 3.49 ± 0.03 bc | 16.66 ± 1.30 b | 2.36 ± 0.04 a | 15.26 ± 1.15 c |
| MM | 305.04 ± 10.60 c | 3.50 ± 0.08 bc | 15.91 ± 0.95 b | 2.28 ± 0.02 ab | 13.99 ± 0.78 bc |
| MH | 906.95 ± 62.59 a | 3.44 ± 0.05 c | 18.19 ± 0.84 a | 2.35 ± 0.02 a | 13.83 ± 1.18 bc |
| OL | 95.90 ± 1.76 e | 3.54 ± 0.02 ab | 14.77 ± 1.03 c | 2.22 ± 0.05 b | 14.93 ± 0.87 bc |
| OM | 276.85 ± 8.29 d | 3.49 ± 0.02 bc | 16.61 ± 0.57 b | 2.19 ± 0.04 b | 13.56 ± 0.94 bc |
| OH | 776.75 ± 32.65 b | 3.47 ± 0.03 bc | 16.51 ± 1.14 b | 2.23 ± 0.02 b | 12.90 ± 0.61 c |
Data are presented as the mean ± standard deviation. The lowercase letters represent significant differences (p < 0.05) among treatments.