Official Journal of the Japan Wood Research Society
From: Within-stem variations in mechanical properties of Melia azedarach planted in northern Vietnam
Site | Linear regression model y = ax + b | ||||||
---|---|---|---|---|---|---|---|
Mechanical properties | WD | E d | |||||
a | b | r | a | b | r | ||
Site 1 | MOR | 297.17 | − 81.27 | 0.93*** | 9.80 | − 29.19 | 0.82*** |
MOE | 18.88 | − 1.12 | 0.79*** | 0.83 | 0.22 | 0.93*** | |
E d | 23.08 | − 1.72 | 0.86*** | – | – | – | |
Site 2 | MOR | 274.68 | − 51.49 | 0.84*** | 7.46 | 0.49 | 0.72*** |
MOE | 20.06 | − 0.14 | 0.72*** | 0.76 | 1.06 | 0.85*** | |
E d | 25.72 | − 1.20 | 0.82*** | – | – | – | |
Combined sites | MOR | 312.25 | − 79.86 | 0.85*** | 9.24 | − 22.45 | 0.84*** |
MOE | 21.29 | − 1.55 | 0.73*** | 0.81 | 0.41 | 0.92*** | |
E d | 26.35 | − 2.44 | 0.79*** | – | – | – |