Table 2 Soil N and C/N ratio at different soil depths in different land-use types

Tea plantation

0–5

1.03 (0.29)^a

11.3 (0.8)

5–10

0.52 (0.131)

10.7 (0.2)

10–30

0.19 (0.025)

10.1 (0.4)

30–50

0.11 (0.015)

8.20 (0.53)

Bamboo forest

0–5

0.77 (0.215)

10.6 (0.3)

5–10

0.69 (0.057)

10.5 (0.5)

10–30

0.26 (0.053)

9.93 (0.66)

30–50

0.14 (0.025)

7.11 (0.79)

Japanese cedar forest

0–5

2.08 (0.54)

15.4 (0.3)

5–10

0.80 (0.061)

13.1 (0.8)

10–30

0.29 (0.064)

11.4 (1.4)

30–50

0.16 (0.015)

8.65 (1.80)

Taiwania forest

0–5

2.82 (0.71)

12.2 (2.2)

5–10

1.10 (0.39)

14.5 (1.9)

10–30

0.26 (0.046)

10.9 (2.0)

30–50

0.13 (0.031)

7.00 (2.12)

ANOVA for significance of

 Land-use type

JC = TW > TP = BM***

JC > TW > TP = BM***

 Depth (cm)

0–5 > 5–10 > 10–30 = 30–50***

0–5 = 5–10 > 10–30 > 30–50***