Cost savings (in 2013$) resulting from watering during establishment for six different planting packaging types. (Based on data presented by Gilman 2001. Original costs in Gilman (2001), from which these values were calculated, were assumed to be published in 2000$.] All currency is in USD$.
| Treatment | Cost per live tree | |||
|---|---|---|---|---|
| Summer irrigation | No summer irrigation | Savings (per tree) | Percent savings | |
| Plastic container | $602 | $795 | $193 | 32.1 |
| Plastic container with SpinOut | $602 | $1,061 | $459 | 76.2 |
| Air root-pruning (ARP) | $602 | $909 | $307 | 51.0 |
| Low-profile ARP container | $602 | $1,591 | $989 | 164.3 |
| Root-pruned, field-grown B&B | $518 | $371 | −$147 | −28.4 |
| Non-root-pruned, field-grown B&B | $518 | $518 | $0.00 | 0.0 |