Table 1. Soil chemical properties of four sites.
| Samples | pH | EC (μs/cm) | TOC (g/kg) | TN (mg/kg) | TP (mg/kg) | Ca2+ (mg/kg) | K+ (mg/kg) | Na+ (mg/kg) |
|---|---|---|---|---|---|---|---|---|
| AC | 8.84b | 59.93a | 1.543d | 209.22de | 12.60e | 2154.08b | 118.17d | 103.21c |
| AM | 8.74b | 54.83b | 1.133e | 212.26de | 24.39d | 4493.59a | 114.43d | 315.18a |
| DC | 9.46a | 37.50d | 0.893e | 135.30f | 13.12e | 2102.07b | 143.04c | 135.25b |
| DM | 8.63b | 31.30e | 1.453d | 181.50e | 23.61d | 2335.37b | 150.31bc | 48.43d |
| HC | 7.10c | 41.53c | 4.10b | 306.50b | 26.23d | 631.13c | 154.22b | 54.78d |
| HM | 7.08c | 41.93c | 4.033b | 408.07a | 37.92c | 674.38c | 197.47a | 53.72d |
| IC | 6.75d | 52.90b | 7.173a | 280.53bc | 44.43b | 347.00cd | 109.90d | 51.06d |
| IM | 6.71d | 40.93c | 3.483c | 251.60cd | 52.69a | 234.95d | 101.04e | 37.01e |
| F | 427.70 | 129.07 | 132.04 | 17.88 | 107.12 | 185.58 | 126.79 | 1561.20 |
| P | *** | *** | *** | *** | *** | *** | *** | *** |
Values are means of three replicates.
Means in the column followed by different letters are significantly different (P < 0.05).
*** P < 0.001.
A: Site A; D: Site D; H: Site H; I: Site I; C: Bulk soil; M: Rhizosphere soil.