Tree stabilization system | Trunk diameter increase April 2009 to April 2010 (mm) | Tree height Sept. 2009 (m) |
---|---|---|
None (control) | 15.7 az | 4.3 c |
Terra Toggle (TT) | 16.9 a | 4.5 bc |
Lodgepole (LP) | 14.1 a | 4.7 ab |
Guying (GS) | 11.4 b | 4.9 a |
↵z Means within columns with different letter are statistically different at P = 0.0002; n = 10, averaged across tree production method due to insignificant interaction.