Growth and chlorophyll measurements for the Dublin ash trees with and without root crown excavation.
Growthz/chlorophyll measurement | Treatment | |
---|---|---|
Excavation Mean (SD) | No excavation Mean (SD) | |
2005 trunk diameter (cm) | 0.7 (0.3) | 0.9 (0.4) |
2006 trunk diameter (cm) | 0.6 (0.3) | 0.5 (0.2) |
2007 trunk diameter (cm) | 1.0 (0.9) | 0.9 (1.1) |
2005 tree height (cm) | 24.3 (18.7) | 31.9 (23.0) |
2006 tree height (cm) | 16.7 (20.8) | 21.2 (28.0) |
2007 tree height (cm) | 36.4 (21.1) | 33.4 (19.4) |
2005 canopy width (cm) | 18.2 (22.9) | 30.4 (22.0) |
2006 canopy width (cm) | 21.2 (17.3) | 15.2 (18.4) |
2007 canopy width (cm) | 25.8 (26.5) | 33.4 (23.9) |
2004 twig extension (cm) | 6.5 (4.5) | 5.6 (3.1) |
2005 twig extension (cm) | 8.5 (4.4) | 7.7 (6.2) |
2006 twig extension (cm) | 8.6 (7.6) | 6.5 (4.9) |
2006 chlorophylly | 37.8 (7.5) | 34.5 (8.7) |
2007 chlorophyll | 24.1 (8.5) | 25.0 (10.2) |