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Table 4 Effects of water stress on stoichiometry changes in C. lanceolata planted on different continuous plantation soils

From: Drought stress introduces growth, physiological traits and ecological stoichiometry changes in two contrasting Cunninghamia lanceolata cultivars planted in continuous-plantation soils

Cultivars

Water condition

Soil

Root

Stem

Leaf

C:N

N:P

C:N

N:P

C:N

N:P

NC

CK

NP

61.47 ± 4.53ab

4.18 ± 0.08f

75.21 ± 1.15bc

4.45 ± 0.21e

36.75 ± 0.81 cd

5.11 ± 1.14e

NC

CK

CP

59.38 ± 6.36ab

8.82 ± 0.11cde

92.00 ± 8.75ab

8.19 ± 0.19c

38.38 ± 2.88c

9.22 ± 1.39de

NC

MWC

NP

53.72 ± 0.78ab

5.67 ± 0.04f

62.95 ± 0.31c

4.40 ± 1.30e

31.86 ± 0.92d

9.47 ± 0.82de

NC

MWC

CP

57.29 ± 5.52ab

17.60 ± 1.20a

81.09 ± 0.94b

12.44 ± 1.60a

40.82 ± 4.08bc

18.43 ± 0.80a

NC

LWC

NP

49.25 ± 3.03b

7.03 ± 0.28ef

62.88 ± 1.53c

5.51 ± 0.17de

35.30 ± 2.85 cd

9.51 ± 0.58de

NC

LWC

CP

51.40 ± 0.42b

15.14 ± 0.02ab

82.93 ± 3.64ab

10.92 ± 0.14ab

49.39 ± 1.82a

10.60 ± 5.08bc

SC

CK

NP

57.07 ± 6.50ab

5.51 ± 0.16f

77.03 ± 0.32bc

4.86 ± 0.19de

34.90 ± 1.22 cd

5.99 ± 1.99e

SC

CK

CP

66.49 ± 4.76a

10.93 ± 1.18de

87.52 ± 4.77ab

9.47 ± 0.68bc

39.06 ± 0.77bc

15.02 ± 0.33b

SC

MWC

NP

58.71 ± 4.61ab

5.84 ± 0.72f

61.98 ± 2.13c

6.22 ± 0.20d

35.26 ± 1.63 cd

9.83 ± 0.14cde

SC

MWC

CP

66.27 ± 7.35a

11.98 ± 1.17bcd

99.19 ± 7.85a

10.14 ± 0.90b

44.81 ± 0.57ab

18.49 ± 1.87a

SC

LWC

NP

49.86 ± 4.75b

7.59 ± 0.26de

80.69 ± 17.77b

5.80 ± 0.09de

45.07 ± 5.77ab

6.89 ± 1.32e

SC

LWC

CP

66.99 ± 3.15a

12.77 ± 0.51bc

83.51 ± 12.48ab

9.73 ± 0.48bc

50.25 ± 2.95a

12.92 ± 4.67 cd

  

P:Fw

0.0765

0.0155

0.1447

0.0020

0.0001

< 0.0001

  

P:Fc

0.0295

0.4654

0.0718

0.8546

0.0239

0.4864

  

P:Fs

0.0150

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

  

P:Fw×Fc

0.4377

0.1390

0.4152

0.1867

0.1135

0.0029

  

P:Fw×Fs

0.5494

0.1927

0.1209

0.0632

0.0455

0.0041

  

P:Fc×Fs

0.0409

0.1443

0.9489

0.0180

0.3911

0.1370

  

P:Fw×Fc×Fs

0.5990

0.3173

0.0863

0.0138

0.1117

0.1373

  1. Values are mean ± SE. Values followed by different small letters and within parameter are significantly different at the P < 0.05 level according to Tukey’s test