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