| Effect of blocks (geomorphic surfaces) on total surface increase in height (cm) | ||
| Blocks | Experiment | Control |
| 1 | 798.5 (b) | 800 (b) |
| 2 | 937.5 (b) | 905 (b) |
| 3 | 1228.3 (a) | 1240 (a) |
| Effect blocks (geomorphic surface) on total increase in collar circumference (cm) | ||
| Blocks | Experiment | Control |
| 1 | 62.8 (a) | 62..6 (a) |
| 2 | 61.3 (a) | 60.7 (a) |
| 3 | 76.3 (a) | 77.4 (b) |