Growth, chlorophyll and stress measurements for the Cincinnati shingle oak trees with and without root crown excavation.
| Growthz/chlorophyll/stress measurementy | Treatment | |
|---|---|---|
| Excavation Mean (SD) | No excavation Mean (SD) | |
| 2004 trunk diameter (cm) | 0.7 (0.4) | 0.6 (0.3) |
| 2005 trunk diameter (cm) | 1.0 (0.5) | 0.8 (0.3) |
| 2006 trunk diameter (cm) | 0.8 (0.5) | 0.7 (0.4) |
| 2007 trunk diameter (cm) | 0.7 (0.2) | 0.7 (0.2) |
| 2005 tree height (cm) | 32.5 (26.9) | 21.7 (25.1) |
| 2006 tree height (cm) | 22.3 (29.2) | 19.5 (35.0) |
| 2007 tree height (cm) | 53.9 (35.3) | 40.6 (34.0) |
| 2005 canopy width (cm) | 20.3 (27.4) | 15.2 (33.2) |
| 2006 canopy width (cm) | 36.5 (44.9) | 41.3 (37.0) |
| 2007 canopy width (cm) | 51.5 (38.1) | 44.0 (34.4) |
| 2003 twig extension (cm) | 8.3 (6.4) | 6.1 (5.6) |
| 2004 twig extension (cm) | 13.1 (10.9) | 14.2 (11.0) |
| 2005 twig extension (cm) | 10.2 (5.7) | 9.5 (4.8) |
| 2006 twig extension (cm) | 9.9 (5.8) | 10.4 (6.1) |
| 2007 twig extension (cm) | 9.5 (8.1) | 9.0 (4.4) |
| 2005 chlorophyll | 23.4 (8.2) | 25.2 (6.8) |
| 2006 chlorophyll | 24.4 (10.0) | 25.7 (9.0) |
| 2007 chlorophyll | 26.4 (10.4) | 21.7 (6.1) |
| 2007 leaf scorchx | 3.0 (1.8) | 3.1 (1.6) |