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