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