Soil depth (cm) | Horizontal distance (cm) | Vertical distance (cm) | |||
0 | 30 | 60 | 0 - 30 | 30 - 60 | |
0 - 20 | 35.5 | 47.7 | 35.3 | 32.5 | 22.7 |
20 - 40 | 27.5 | 39.1 | 26.0 | 21.0 | 17.4 |
40 - 60 | 21.7 | 22.1 | 8.3 | 15.6 | 9.8 |
60 - 80 | 23.2 | 18.7 | 13.4 | 9.8 | 8.6 |