Relative characteristics of shade tree nurseries and urban plantings.
| Nursery | Urban planting | |
|---|---|---|
| Geographic location | rural | urban |
| Product | tree | ? |
| Rotation length (yr.) | 2-6 | 25-75 |
| Physical environment | ||
| radiant energy | high | variable |
| evaporative demand | moderate | moderate-high |
| atmospheric | unknown | moderate-high |
| contaminants | ||
| soil | agricultural | disturbed |
| Intensity of culture | ||
| pruning | annual | 3-10 yr. cycle |
| fertilization | high | low |
| irrigation | high | low |
| pest management | high | low-moderate |