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Table 3 C, N and P contents and their stoichiometry of Cunninghamia lanceolata from different provenances (Mean ± SE). Means followed by different lower case letters are significantly different among provenances. Values in the parenthesis are coefficient of variation (CV)

From: Intraspecific variations in leaf functional traits of Cunninghamia lanceolata provenances

Provenance

C/g.kg−1

N/g.kg−1

P/g.kg−1

C:N

C:P

N:P

GR

407.98 ± 2.43bc

26.34 ± 3.67bcd

0.63 ± 0.06a

15.84 ± 2.5ab

655.03 ± 56.41bcd

48.56 ± 0.61e

(0.60%)

(13.95%)

(9.06%)

(15.77%)

(8.61%)

(1.27%)

JP

466.42 ± 19.59def

28.97 ± 2.71d

0.63 ± 0.06a

16.31 ± 2.25abc

732.36 ± 25.32ef

41.03 ± 1.51cde

(4.20%)

(9.36%)

(9.26%)

(13.78%)

(3.46%)

(3.69%)

PB

452.2 ± 2.92cde

20.39 ± 0.82abc

0.69 ± 0.07a

22.22 ± 0.94def

615.48 ± 26.89bc

29.85 ± 3.92a

(0.65%)

(4.02%)

(9.92%)

(4.24%)

(4.37%)

(13.13%)

XW

474.59 ± 4.82ef

23.23 ± 2.48abcd

0.59 ± 0.00a

20.65 ± 2.03bcde

807.68 ± 1.98 g

39.27 ± 4.1bcd

(1.02%)

(10.70%)

(0.26%)

(9.84%)

(0.25%)

(10.44%)

GL

387.71 ± 9.90ab

25.56 ± 3.78abcd

0.61 ± 0.03a

15.58 ± 2.78ab

638.12 ± 20.15bcd

42.14 ± 6.83de

(2.55%)

(14.78%)

(5.29%)

(17.85%)

(3.16%)

(16.20%)

LC

499.32 ± 13.79f

20.76 ± 2.46abc

0.62 ± 0.13a

24.41 ± 3.14ef

784.35 ± 20.71 fg

32.14 ± 3.85ab

(2.76%)

(11.85%)

(2.16%)

(12.86%)

(2.64%)

(11.96%)

QN

427.26 ± 59.92bcd

25.29 ± 2.24abcd

0.60 ± 0.02a

16.84 ± 1.03ab

653.79 ± 4.96bcd

42.17 ± 2.93de

(14.03%)

(8.86%)

(2.53%)

(6.14%)

(0.76%)

(6.94%)

JL

424.82 ± 18.6bcd

19.7 ± 2.21ab

0.71 ± 0.05a

21.72 ± 1.4cdef

597.95 ± 14.04b

27.61 ± 1.28a

(4.38%)

(11.22%)

(6.53%)

(6.46%)

(2.35%)

(4.62%)

SG

415.86 ± 12.96bc

22.98 ± 2.79abcd

0.64 ± 0.05a

18.34 ± 2.14abcd

617.5 ± 30.79bc

36.08 ± 5.73abcd

(3.12%)

(12.13%)

(7.58%)

(11.68%)

(4.99%)

(15.88%)

JR

486.27 ± 12.07ef

18.80 ± 2.04a

0.58 ± 0.02a

26.20 ± 3.14f

811.1 ± 2.56 g

35.26 ± 1.35abcd

(2.48%)

(10.87%)

(3.31%)

(11.97%)

(0.32%)

(3.82%)

XY

442.1 ± 8.44cde

23.37 ± 4.10abcd

0.62 ± 0.07a

19.54 ± 3.56bcde

674.36 ± 40.64 cd

32.76 ± 0.87abc

(1.91%)

(17.55%)

(11.90%)

(18.20%)

(6.03%)

(2.65%)

LQ

364.62 ± 8.49a

22.46 ± 2.83abcd

0.68 ± 0.02a

16.50 ± 2.11abc

535.87 ± 17.20a

32.91 ± 3.39abc

(2.33%)

(12.61%)

(2.57%)

(12.77%)

(3.21%)

(10.29%)

LA

357.5 ± 8.13a

27.52 ± 4.78 cd

0.58 ± 0.11a

13.38 ± 2.29a

695.98 ± 11.25de

58.93 ± 3.70f

(2.27%)

(17.36%)

(18.23%)

(17.15%)

(1.62%)

(6.29%)

Overall mean & CV

431.28 ± 47.32

23.49 ± 4.24

0.63 ± 0.07

19.04 ± 4.36

678.43 ± 85.33

38.36 ± 8.92

(10.97%)

(18.07%)

(10.33%)

(22.92%)

(12.58%)

(23.24%)

P-value

0.000**

0.050*

0.244

0.000**

0.000**

0.000**

  1. * indicates a significant relationship (P-value < 0.05); ** indicates a very significant relationship (P-value < 0.01)