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Table 3 Instant use efficiency (WUEi), water potential (Wp), foliar carbon isotope composition (δC13), carbon use efficiency (CUE), nitrogen use efficiency (NUE), phosphorus use efficiency (PUE) in two cultivars with two-year-old seedlings of C. lanceolata as affected by water, soil and their interaction

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

WUEi

Wp (MPa)

δC13

CUE

NUE

PUE

NC

CK

NP

4.98 ± 0.70d

-0.86 ± 0.05d

-28.33 ± 0.15c

2.45 ± 0.28de

3.06 ± 0.07de

2.37 ± 0.16e

NC

CK

CP

4.13 ± 0.94e

-0.84 ± 0.10d

-28.52 ± 0.23c

2.68 ± 0.31 cd

3.04 ± 0.06de

2.71 ± 0.36d

NC

MWC

NP

3.86 ± 0.15ef

-0.89 ± 0.10d

-28.97 ± 0.52d

2.23 ± 0.12de

2.98 ± 0.02e

2.66 ± 0.31de

NC

MWC

CP

3.24 ± 0.86f

-1.26 ± 0.05bc

-28.70 ± 0.29 cd

2.18 ± 0.04e

2.40 ± 0.02 g

2.39 ± 0.31de

NC

LWC

NP

6.67 ± 0.73c

-1.17 ± 0.16c

-27.25 ± 0.13a

3.00 ± 0.22bc

3.47 ± 0.14bc

3.07 ± 0.36 cd

NC

LWC

CP

10.61 ± 1.04a

-1.63 ± 0.18a

-27.78 ± 0.18b

3.90 ± 0.28a

3.51 ± 0.09b

4.60 ± 0.77a

SC

CK

NP

4.91 ± 0.50d

-0.96 ± 0.09d

-28.57 ± 0.08 cd

2.55 ± 0.20cde

3.12 ± 0.03d

3.15 ± 0.44c

SC

CK

CP

3.58 ± 0.42f

-0.97 ± 0.13d

-28.70 ± 0.30 cd

2.22 ± 0.06de

2.76 ± 0.00ef

2.36 ± 0.30de

SC

MWC

NP

4.65 ± 0.18de

-0.96 ± 0.05d

-28.55 ± 0.39 cd

2.98 ± 0.19bc

3.23 ± 0.24 cd

3.51 ± 0.46bc

SC

MWC

CP

5.09 ± 0.12d

-1.33 ± 0.08bc

-28.26 ± 0.22c

2.33 ± 0.21de

2.54 ± 0.11 fg

2.04 ± 0.13e

SC

LWC

NP

10.15 ± 0.62ab

-1.40 ± 0.07b

-27.37 ± 0.17a

3.19 ± 0.06b

3.66 ± 0.22b

3.78 ± 0.29b

SC

LWC

CP

9.60 ± 1.28b

-1.75 ± 0.16a

-27.70 ± 0.31b

3.65 ± 0.10a

4.00 ± 0.02a

3.37 ± 0.38bc

  

P:Fw

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

0.0002

  

P:Fc

0.03

0.6465

0.07

0.6201

0.097

0.003

  

P:Fs

0.46

0.0030

0.0006

0.00576

< 0.0001

0.0369

  

P:Fw×Fc

0.0008

0.5172

0.0061

0.01

< 0.0001

0.2845

  

P:Fw×Fs

< 0.0001

0.7467

0.0.4

0.0184

< 0.0001

0.0167

  

P:Fc×Fs

0.04

< 0.0001

0.59

0.0004

0.01

0.0007

  

P:Fw×Fc×Fs

< 0.0001

0.0001

0.0267

0.2484

0.0005

0.3965

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