Table 5 Element contents of leaves in C. lanceolata as affected by a high planting density under soils that were first (control) and continuously planted with Chinese fir (rotation)

Control

Low

478.07 ± 2.50 a

13.55 ± 0.19 a

0.74 ± 0.03 a

5.34 ± 0.05 ab

9.17 ± 0.13 a

1.43 ± 0.07 a

0.30 ± 0.03 a

1.49 ± 0.11 b

26.91 ± 1.54 a

0.22 ± 0.01 a

35.26 ± 0.49 a

18.53 ± 0.86 ab

High

473.89 ± 1.42 a

14.78 ± 0.26 a

0.66 ± 0.03 a

4.93 ± 0.16 a

11.35 ± 0.57 b

1.36 ± 0.03 a

0.48 ± 0.03 b

1.48 ± 0.12 b

40.64 ± 0.56 b

0.32 ± 0.03 b

32.12 ± 0.51 a

22.73 ± 1.24 b

Rotation

Low

474.58 ± 2.50 a

15.27 ± 1.17 a

0.91 ± 0.04 b

5.97 ± 0.29 b

8.68 ± 0.16 a

1.76 ± 0.06 b

0.26 ± 0.02 a

1.10 ± 0.05 a

41.54 ± 3.30 b

0.26 ± 0.01 a

31.97 ± 2.35 a

16.92 ± 1.23 a

High

479.51 ± 3.36 a

14.44 ± 0.85 a

0.68 ± 0.02 a

5.46 ± 0.12 ab

9.63 ± 0.26 a

1.50 ± 0.02 a

0.49 ± 0.06 b

1.17 ± 0.01 ab

58.15 ± 2.14 c

0.31 ± 0.02 b

33.84 ± 2.18 a

21.18 ± 1.15 b

P _S

0.680

0.361

0.006

0.004

0.003

0.000

0.646

0.001

0.000

0.540

0.639

0.177

P _D

0.885

0.793

0.000

0.017

0.000

0.003

0.000

0.734

0.000

0.001

0.701

0.001

P _{S × D}

0.088

0.180

0.034

0.753

0.076

0.055

0.524

0.617

0.508

0.212

0.143

0.975