Tree | Production method | Height increasez (m) | Trunk diameter increasez (cm) | Final crown widthz (m) |
---|---|---|---|---|
Leyland cypress | PC | 0.56cy | 2.1b | 0.85b |
FG | 0.94a | 2.9a | 0.97a | |
FC | 0.81b | 2.9a | 0.94a | |
Laurel oak | PC | 0.79b | 2.2a | 1.00b |
FG | 1.22a | 2.4a | 1.11 ab | |
FC | 1.13a | 2.3a | 1.19a | |
Slash pine | PC | 1.05b | 3.8b | 0.91b |
FG | 1.60a | 4.9a | 1.18a | |
FC | 1.41a | 4.7a | 1.14a |
↵zMean of 16 trees. Height and trunk diameter (2.5 cm, 1 in from soil) at the beginning of the 17 month production cycle were 0.75 m and 1.0 cm, 1.1m and 1.1 cm, 0.61 m and 1.5 cm for leyland cypress, laurel oak and slash pine, respectively.
↵yMeans for each species followed by different letters are significantly different from each other by Duncan’s MRT, P -< 0.05.