TABLE 2.
Rhizosphere soil physicochemical properties of different tree species in SHX and SDa
| Tree species | Mean pH ± SD | Mean SOM concn (g·kg−1) ± SD | Mean SOC concn (g·kg−1) ± SD | Mean TN concn (g·kg−1) ± SD | Mean AN concn (mg·kg−1) ± SD | Mean TP concn (g·kg−1) ± SD | Mean AP concn (mg·kg−1) |
|---|---|---|---|---|---|---|---|
| SHX_S | 4.36 ± 0.17 A | 45.67 ± 11.39 A | 26.50 ± 6.61 A | 1.87 ± 0.56 A | 223.31 ± 70.78 A | 0.47 ± 0.08 A | 6.50 ± 1.56 A |
| SHX_H | 4.40 ± 0.12 A | 36.27 ± 7.59 A | 21.04 ± 4.4 A | 1.58 ± 0.21 A | 192.67 ± 25.38 A | 0.46 ± 0.07 A | 3.56 ± 0.29 B |
| SHX_X | 4.60 ± 0.14 A | 33.81 ± 2.55 A | 19.61 ± 1.48 A | 1.26 ± 0.28 A | 186.63 ± 24.37 A | 0.43 ± 0.07 A | 3.66 ± 0.65 B |
| SD_S | 4.66 ± 0.14 A | 40.53 ± 6.85 A | 23.51 ± 3.97 A | 1.76 ± 0.36 A | 178.00 ± 28.57 A | 0.32 ± 0.03 A | 10.85 ± 2.79 A |
| SD_D | 4.47 ± 0.09 A | 42.93 ± 3.76 A | 24.90 ± 2.18 A | 1.90 ± 0.05 A | 203.03 ± 23.02 A | 0.32 ± 0.02 A | 13.69 ± 0.87 A |
a
Values are the means ± standard deviations (n = 3). Different letters indicate significant differences (P < 0.05). SHX_S, Chinese fir in SHX; SHX_H, Castanopsis hystrix in SHX; SHX_X, Michelia hedyosperma in SHX; SD_S, Chinese fir in SD; SD_D, Castanopsis fissa in SD.