Table 1 Physical properties of soil profiles in different pedogenic processes.

From: Changes in the profile properties and chemical weathering characteristics of cultivated soils affected by anthropic activities

Sample types

Profile horizon

Depth (cm)

BD (g·cm−3)

Porosity (%)

SPC (%)

2–0.02 mm

0.02–0.002 mm

< 0.002 mm

T1

A horizon (mean ± SD) (n = 10)

22.20 ± 4.85

1.34 ± 0.12

45.53 ± 4.65

35.65 ± 15.43

29.77 ± 12.10

34.58 ± 10.14

B horizon (mean ± SD) (n = 5)

20.20 ± 8.61

1.58 ± 0.14

38.35 ± 5.33

34.82 ± 16.75

30.32 ± 10.48

34.86 ± 13.98

C horizon (mean ± SD) (n = 10)

–

–

–

36.43 ± 15.85

30.54 ± 11.36

33.03 ± 9.81

T2

A horizon (mean ± SD) (n = 10)

21.20 ± 5.65

1.26 ± 0.13

49.99 ± 5.05

58.95 ± 16.84

23.11 ± 9.24

17.94 ± 8.07

B horizon (mean ± SD) (n = 3)

26.00 ± 12.17

1.47 ± 0.06

42.80 ± 2.63

60.13 ± 19.17

28.16 ± 15.11

11.71 ± 4.52

C horizon (mean ± SD) (n = 10)

–

–

–

76.83 ± 16.42

14.41 ± 10.23

8.76 ± 6.62

T3

A horizon (mean ± SD) (n = 10)

23.20 ± 3.36

1.38 ± 0.12

43.84 ± 4.60

50.48 ± 7.82

27.21 ± 4.49

22.41 ± 4.52

B horizon (mean ± SD) (n = 8)

32.00 ± 15.00

1.59 ± 0.09

37.77 ± 3.71

60.87 ± 3.50

23.76 ± 2.23

15.37 ± 2.05

C horizon (mean ± SD) (n = 10)

–

–

–

74.91 ± 13.02

14.32 ± 7.84

10.77 ± 6.23

  1. T1, T2 and T3 represent the soils undergoing natural evolution (NE), tillage perturbation (TP) and engineering perturbation (EP), respectively; BD = bulk density; SPC = soil particle composition; SD = standard deviation; n represents sample size.
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