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

2.58 ± 0.88 b

2.97 ± 2.46 a

7.21 ± 1.29 a

53.88 ± 3.47 a

33.36 ± 3.17 a

C1

2.23 ± 0.37 b

4.36 ± 0.56 a

5.97 ± 0.16 ab

54.73 ± 6.50 a

32.71 ± 7.28 a

C2

2.62 ± 0.78 ab

3.64 ± 0.40 a

3.74 ± 1.78 b

52.69 ± 8.56 a

33.69 ± 5.59 a

C3

3.19 ± 1.51 ab

4.36 ± 0.95 a

7.20 ± 2.82 a

51.37 ± 2.89 a

33.88 ± 6.24 a

C4

5.11 ± 2.18 a

4.38 ± 0.87 a

8.36 ± 1.03 a

59.97 ± 10.43 a

22.18 ± 12.36 a

亚表层

CK

3.44 ± 1.16 d

4.67 ± 0.60 b

6.72 ± 0.76 ab

58.03 ± 0.48 a

27.13 ± 1.47 a

C1

4.07 ± 0.81 cd

5.69 ± 1.35 b

8.09 ± 1.26 b

53.26 ± 5.04 a

28.89 ± 7.29 a

C2

6.05 ± 0.76 bc

4.78 ± 1.20 b

7.71 ± 0.07 ab

53.41 ± 18.02 a

28.05 ± 7.63 a

C3

8.13 ± 0.23 ab

7.87 ± 0.05 a

6.25 ± 0.23 b

50.36 ± 5.64 a

27.39 ± 0.06 a

C4

9.03 ± 2.24 a

8.34 ± 0.92 a

7.81 ± 1.23 ab

53.69 ± 5.55 a

21.12 ± 5.20 a