Effect of height in the trunk on modulus of elasticity (MOE) and modulus of rupture (MOR) of miniboards taken from untreated yellow poplar trees.
| Height above ground (cm) | MOE (x 106 psi) | MOR (psi) |
| 0-60 | 0.86 a* | 7,268 a |
| 75-135 | 0.96 b | 7,016 ab |
| 135-195 | 0.95 b | 6,764 b |
↵* Values in columns followed by the same letter are not significantly different at 5%.