Table 1 Soil physicochemical properties of the topsoil layer (TL) and subsoil layer (SL).

From: The temperature sensitivity of soil organic carbon decomposition is greater in subsoil than in topsoil during laboratory incubation

Area

Land use

Soil layer

pH (H2O)

WHC %

SOC g kg−1

POXC g kg−1

TN g kg−1

C/N

HP

Paddy field

TL

8.1(0.3)

27.6 (1.6)

14.1 (2.0)

2.5(0.4)

1.1 (0.2)

16.2 (0.8)

SL

8.3(0.2)

28.5 (2.3)

12.4 (1.6)

1.1(0.3)

0.9 (0.2)

16.3 (1.4)

Upland

TL

8.5 (0.2)

26.4 (2.2)

8.0 (3.6)

0.7(0.2)

0.7 (0.3)

13.1 (0.3)

SL

8.6 (0.2)

29.0 (2.0)

4.5 (2.4)

0.3(0.1)

0.4 (0.2)

14.0 (0.9)

MS

Paddy field

TL

5.9 (0.2)

31.4 (3.3)

14.3 (3.6)

3.8(0.5)

1.2 (0.3)

12.3 (0.5)

SL

6.1 (0.2)

32.5 (3.3)

11.9 (2.9)

1.4(0.3)

1.0 (0.2)

11.9 (0.6)

Upland

TL

6.3 (0.3)

34.3 (3.4)

18.0 (7.1)

2.3(0.8)

1.4 (0.6)

13.4 (0.6)

SL

6.4 (0.3)

33.6 (3.7)

15.3 (7.0)

1.1(0.3)

1.3 (0.6)

12.6 (0.4)

  1. Values are means of six sampling sites in each area (Huaping, HP and Meishan, MS). Numbers in parentheses are standard deviations (n = 6).
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