Table 15 Average nutrient concentrations in sapwood and heartwood (g kg^-1) for common oak according to references and relative difference (%) with this paper (difference (%) = this paper/average references – 1) x 100%)

Nutrient concentrations (g kg^-1)

 2.50

 0.20

 0.60

 2.20

 0.30

 1.20

 0.02

 0.40

 0.60

 0.03

Duvigneaud and Denaeyer-De Smet, 1968

 2.15

 0.16

 1.25

 1.75

 0.60

 1.45

 0.03

 0.95

 0.90

 0.17

Duvigneaud and Denaeyer-De Smet, 1970

 1.80

 0.33

 0.53

 1.75

 0.19

 1.10

 0.05

 0.40

 0.65

 0.04

Lévy G., Bréchet, and Becker, 1996

 2.15

 0.12

 0.48

 1.20

 0.19

 1.20

 0.15

 0.24

 0.30

 0.08

Mussche et al. 1998

 2.09

 0.21

 0.72

 1.69

 0.37

 1.25

 0.06

 0.49

 0.59

 0.04

Average, references

 2.9

 0.13

 0.49

 1.27

 0.15

 1.9

 0.022

 0.30

 0.40

 0.031

Average, this paper

36%

−36%

−32%

−25%

−59%

55%

−64%

−38%

−33%

−22%

Difference, %;