土壤层次 Soil horizon | 处理 Treatment | 团聚体含量(%) The amount of soil aggregates | ||||
>2 mm | 2~1 mm | 1~0.25 mm | 0.25~0.053 mm | <0.053 mm | ||
表层 | CK | 2.50 ± 0.40 b | 5.96 ± 1.12 b | 6.38 ± 0.64 b | 70.23 ± 2.57 ab | 14.94 ± 1.81 a |
C1 | 4.93 ± 0.00 a | 8.01 ± 0.01 a | 8.68 ± 0.25 a | 66.95 ± 0.15 bc | 11.43 ± 2.11 b | |
C2 | 4.32 ± 0.34 ab | 8.09 ± 0.08 a | 7.64 ± 2.14 ab | 63.32 ± 3.68 c | 16.62 ± 1.29 a | |
C3 | 4.90 ± 0.87 a | 6.85 ± 0.15 ab | 6.11 ± 1.18 b | 69.65 ± 1.68 ab | 12.49 ± 2.13 b | |
C4 | 4.11 ± 2.93 ab | 6.46 ± 2.50 ab | 6.24 ± 0.24 b | 71.78 ± 4.28 a | 11.42 ± 0.91 b | |
亚表层 | CK | 3.63 ± 0.43 b | 7.41±0.40 a | 7.42 ± 0.34 ab | 70.44 ± 1.15 a | 12.10 ± 0.61 b |
C1 | 5.48 ± 0.09 a | 6.81±1.12 a | 6.57 ± 0.25 b | 68.74 ± 1.47 a | 12.39 ± 0.02 b | |
C2 | 5.22 ± 0.31 a | 6.97±0.37 a | 7.32 ± 0.79 ab | 66.28 ± 2.27 ab | 14.29 ± 0.79 b | |
C3 | 5.20 ± 0.45 a | 6.86 ± 0.07 a | 7.96 ± 1.01 a | 64.45 ± 1.07 ab | 15.52 ± 0.09 b | |
C4 | 5.39 ± 0.53 a | 6.06 ± 1.97 a | 7.30 ± 0.61 ab | 61.81 ± 7.94 b | 19.44 ± 4.59 a |