Soil horizon

Thickness

(cm)

Bulk density

Mg∙m−3

Concentration (mg∙g−1 soil)

Amount (g∙m−2)

C/N

T-C

T-N

T-C

T-N

SF

CF

SF

CF

SF

CF

SF

CF

SF

CF

SF

CF

SF

CF

SF

CF

Horizon1

Ap1

Ap1

15

9

0.68

0.90

76.6

27.2

4.66

2.05

7812

1665

475

166

16.4

13.3

Horizon2

Ap2

Ap2

14

13

0.84

0.95

54.1

27.1

3.52

1.99

6357

2962

413

246

15.4

13.6

Horizon3

AB

A

12

12

0.94

0.97

21.0

22.1

1.42

1.51

2357

2480

159

175

14.8

14.7

Horizon4

Bw1

Bw1

13

16

1.03

0.99

14.3

18.6

0.83

1.13

1919

3070

111

179

17.3

16.5

Horizon5

Bw2

Bw2

26

22

1.00

0.92

13.0

15.6

0.63

0.82

3354

3409

162

166

20.7

19.0

Horizon6

Bw3

Bw3

20

28

0.96

0.85

12.2

15.0

0.53

0.61

2337

4029

102

145

23.0

24.6

Total

100

100

24,135

17,616

1422

1077

SF-CF

6520

345