Table 2.
Changes in soil physical properties between and under panels with different vegetation restoration measures.
| Parament | Location | Leymus chinensis (LC) | Glycyrrhiza uralensis (GU) | Artemisia ordosica (AO) | Hedysarum scoparium (HS) | Control (CK) | F value |
|---|---|---|---|---|---|---|---|
| Clay (%) | Between panels | 97.22 ± 0.10c | 97.7 ± 0.08b | 99.36 ± 0.36a | 99.29 ± 0.35a | 99.56 ± 0.28a | 51.59** |
| Under panels | 97.81 ± 0.20c | 98.84 ± 0.07b | 99.47 ± 0.07a | 99.24 ± 0.11a | 99.56 ± 0.28a | 53.61** | |
| Silt sand (%) | Between panels | 2.78 ± 0.10a | 2.30 ± 0.08b | 0.64 ± 0.36c | 0.71 ± 0.35c | 0.44 ± 0.28c | 51.59** |
| Under panels | 2.19 ± 0.20a | 1.16 ± 0.07b | 0.53 ± 0.07c | 0.76 ± 0.11c | 0.44 ± 0.28c | 53.61** | |
| Bulk density (BD) (g·cm-3) | Between panels | 1.53 ± 0.02bc | 1.52 ± 0.01c | 1.57 ± 0.11bc | 1.60 ± 0.02ab | 1.68 ± 0.02a | 5.59 |
| Under panels | 1.52 ± 0.02c | 1.47 ± 0.02bc | 1.56 ± 0.06bc | 1.59 ± 0.04b | 1.68 ± 0.06a | 8.98* | |
| Soil porosity (SP) (%) | Between panels | 23.29 ± 0.44a | 22.73 ± 0.80ab | 21.59 ± 1.03b | 22.79 ± 0.21ab | 22.49 ± 0.37ab | 4.27 |
| Under panels | 23.55 ± 0.11a | 20.87 ± 0.53c | 22.47 ± 0.50b | 24.11 ± 0.73a | 22.49 ± 0.37b | 18.86** | |
| Moisture content (MC) (%) | Between panels | 1.77 ± 0.05a | 1.42 ± 0.42b | 1.89 ± 0.35a | 1.74 ± 0.06a | 1.04 ± 0.26b | 13.80** |
| Under panels | 2.87 ± 0.10a | 1.58 ± 0.04d | 1.93 ± 0.34b | 1.90 ± 0.13b | 1.04 ± 0.26c | 55.93** | |
| Saturated Hydraulic Conductivity (Ks) (%) | Between panels | 15.23 ± 0.12a | 14.96 ± 0.62ab | 13.72 ± 0.55cd | 14.25 ± 0.28bc | 13.39 ± 0.34d | 10.40* |
| Under panels | 15.49 ± 0.14a | 14.22 ± 0.19b | 14.40 ± 0.55b | 15.17 ± 0.16a | 13.39 ± 0.34c | 20.55** | |
| Capillary Water Content (CWC) (%) | Between panels | 13.88 ± 0.04a | 13.59 ± 0.27a | 11.77 ± 0.69b | 12.44 ± 0.23b | 7.54 ± 0.81c | 77.06** |
| Under panels | 13.65 ± 0.08a | 12.94 ± 0.17a | 11.32 ± 1.63b | 12.76 ± 0.31ab | 7.54 ± 0.81c | 25.94** | |
| Field Water Content (FC) (%) | Between panels | 5.16 ± 0.0b | 9.91 ± 0.16a | 8.92 ± 1.14a | 8.53 ± 0.60a | 4.56 ± 0.40b | 27.93** |
| Under panels | 4.66 ± 0.10b | 8.78 ± 1.09a | 7.42 ± 0.51a | 8.76 ± 0.34a | 4.56 ± 0.40b | 8.55* |
Values in each column with the same letter are not significantly (P > 0.05, LSD) different among the vegetation restoration measures. **Significant at the 0.01 level and * Significant at the 0.05 level.