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 | 57.89 ± 1.10 a | 9.59 ± 1.63 a | 15.48 ± 0.21 a | 14.79 ± 3.09 a | 2.26 ± 0.16 a |
C1 | 66.08 ± 5.70 a | 9.31 ± 1.77 a | 10.31 ± 2.19 c | 11.70 ± 3.99 a | 2.60 ± 1.09 a | |
C2 | 67.03 ± 5.57 a | 9.46 ± 2.16 a | 8.89 ± 1.84 c | 12.34 ± 2.82 a | 2.29 ± 0.68 a | |
C3 | 56.06 ± 5.54 a | 11.01 ± 2.26 a | 14.04 ± 2.72 ab | 14.73 ± 2.05 a | 4.12 ± 0.69 a | |
C4 | 62.79 ± 9.74 a | 10.08 ± 2.59 a | 10.65 ± 1.88 bc | 14.15 ± 5.04 a | 3.66 ± 1.59 a | |
亚表层 | CK | 57.07 ± 7.03 b | 11.74 ± 2.43 a | 16.51 ± 1.91a | 12.84 ± 3.17 a | 1.84 ± 0.47 a |
C1 | 70.01 ± 4.06 ab | 10.35 ± 2.89 ab | 10.79 ± 2.61bc | 7.01 ± 4.27 a | 1.83 ± 0.87 a | |
C2 | 72.25 ± 10.06 a | 7.67 ± 0.48 b | 7.59 ± 2.13c | 10.54 ± 5.17 a | 1.97 ± 0.15 a | |
C3 | 57.59 ± 12.38 b | 9.55 ± 0.28 ab | 13.76 ± 1.99ab | 16.13 ± 2.43 a | 2.96 ± 1.68 a | |
C4 | 72.46 ± 2.74 a | 9.86 ± 0.42 ab | 10.01 ± 0.27c | 6.40 ± 1.03 a | 1.29 ± 0.37 a |