Trunk caliper growth in the first 12 months after transplanting 76 mm (3 in.) caliper Highrise™ live oak into plots with seven different surface treatments.
| Surface treatment | Caliper growth in the 12 months after transplanting mm (in.) |
|---|---|
| Shredded mulch [75 mm (3 in.)] | 17 (0.65) a* |
| Shredded mulch [150 mm (6 in.)] | 16 (0.63) a |
| Chipped mulch [75 mm (3 in.)] | 15 (0.61) a |
| Chipped mulch [150 mm (6 in.)] | 15 (0.59) ab |
| Bare ground/no mulch on root ball | 14 (0.55) ab |
| Shredded mulch [75 mm (3 in.)]/no mulch on root ball | 12 (0.46) b |
| Turfgrass/no mulch on root ball | 7 (0.27) c |
↵* Means (calculated on seven trees per treatment) followed by the same letter are not significantly different from each other at the P < 0.05 level.