14 | Soil texture and compaction | 18.8 |
15 | Soil texture and water movement | 93.8 |
16 | Moisture state and soil compaction | 87.5 |
17 | Pruning techniques | 56.3 |
18 | Effectiveness of pruning paint | 18.8 |
19 | Grass tree competition | 18.8 |
20 | Effect of mulch on trees | 62.5 |
21 | Soil fill and trees | 75.0 |
22 | Heavy equipment and relation to root damage | 50.0 |
23 | Pruning to compensate for root loss | 50.0 |
24 | Application of fertilizer-root damage | 6.3 |
25 | Extension of tree roots | 81.3 |
26 | Cement wastewater and soil pH | 75.0 |
27 | Tree longevity of selected species | 48.5* |
28 | Benefits of undergrowth vegetation | 43.8 |
29 | Shade tolerance of selected species | 34.4* |