Effect of planting depth treatment (0, 15, or 31 cm [0, 6, or 12 in] deep-planted), distance from the trunk (15 or 41 cm [6 or 16 in]), and species (maple or cherry) on the root depth ratio (RMD in top 30 cm [12 in] of soil/RMD in 30 to 60 cm [12 to 24 in] soil depth)z.
| Source | DF | F Value | Pr > F |
|---|---|---|---|
| Treatment | 2 | 17.19 | <0.0001 |
| Distance | 1 | 0.27 | 0.6020 |
| Treatment*distance | 2 | 2.35 | 0.1006 |
| Species | 1 | 10.47 | 0.0016 |
| Treatment*species | 2 | 0.76 | 0.4693 |
| Distance*species | 1 | 0.38 | 0.5395 |
| Treatment*distance*species | 2 | 0.29 | 0.7514 |
↵z Measurements were taken in December 1997, 1 year after transplanting.