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Table 5 Significance of the differences in radial models among trees within sites (intra-site) for wood density, microfibril angle (MFA) and modulus of elasticity (MOE) as a function of cambial age

From: Radial variation in modulus of elasticity, microfibril angle and wood density of veneer logs from plantation-grown Eucalyptus nitens

Wood property Sites
Strathblane Geeveston Florentine(1)
F 21–28,114–143 F 21–28,124–132 F 24–28,130–137
Wood density 2.4*** 9.3*** 4.9***
MFA 5.9*** 6.2*** 9.4***
MOE 9.0*** 9.0*** 16.0***
  1. The F values and their significance for each site and model are shown. A four-parameter logistic model was fitted for wood density, an asymptotic exponential model for microfibril angle and a three-parameter logistic sigmoidal model for modulus of elasticity
  2. ***P < 0.001
  3. (1)One tree did not converge for wood density using nls function