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 | 31.44 ± 2.80 a | 10.45 ± 0.09 b | 24.71 ± 2.78 a | 29.06 ± 1.32 a | 4.37 ± 1.43 a |
C1 | 46.89 ± 2.11 a | 11.42 ± 0.37 ab | 19.98 ± 1.42 a | 17.95 ± 2.94 c | 3.77 ± 0.97 a | |
C2 | 33.25 ±11.11 a | 23.37 ± 14.31 a | 25.63 ± 8.42 a | 11.99 ± 0.95 b | 5.78 ± 3.86 a | |
C3 | 43.08 ± 0.47 a | 16.75 ± 0.61 ab | 20.37 ± 0.13 a | 16.09 ± 0.38 b | 3.71 ± 0.38 a | |
C4 | 46.34 ± 7.56 a | 10.00 ± 1.22 b | 25.18 ± 3.85 a | 15.32 ± 3.35 bc | 3.17 ± 0.32 a | |
亚表层 | CK | 39.58 ± 7.86 a | 10.24 ± 1.60 a | 24.04 ± 3.85 ab | 23.83 ± 4.85 a | 3.05 ± 0.42 a |
C1 | 53.46 ±10.76 a | 8.83 ± 1.59 a | 19.07 ± 3.56 b | 16.31 ± 7.94 a | 2.33 ± 0.20 ab | |
C2 | 50.74 ±10.43 a | 10.29 ± 1.12 a | 22.24 ± 1.68 ab | 14.57 ± 8.80 a | 2.16 ± 0.25 ab | |
C3 | 49.97 ± 9.77 a | 10.68 ± 1.63 a | 21.88 ± 2.21 ab | 15.28 ± 6.32 a | 2.21 ± 0.65 ab | |
C4 | 41.81 ± 8.26 a | 10.34 ± 1.04 a | 25.77 ± 2.04 a | 20.71 ± 7.42 a | 1.36 ± 0.02 b |