Summary counts for predicted and observed root numbers for each excavated trench at 1 m, 1.5 m, and 2 m from the tree trunk of the root system of Pistacia chinensis (Chinese pistachio) in situ for the third experiment showing the major difference between predicted and observed root counts was for the 2.5 m trench.
| Observed roots | Tree Radar prediction | |||
|---|---|---|---|---|
| <10 mm | >10 mm | Total | ||
| 1 m square | 33 | 5 | 38 | 20 |
| 1.5 m square | 24 | 1 | 25 | 29 |
| 2.5 m square | 1 | 0 | 1 | 52 |
| Total | 58 | 6 | 64 | 101 |