Heavy equipment will injure exposed and underground roots | 50.0 | 92.6 | 42.6z | −3.196 | 0.001 |
Correct identification of tree longevity of selected species | 48.4 | 72.5 | 24.1z | −6.129 | <0.0002 |
Fill over existing soil level will hinder air and water exchange | 75.0 | 96.3 | 21.3z | −2.106 | 0.035 |
Correct identification of shade tolerance of selected species | 34.6 | 53.5 | 18.9z | −4.509 | <0.0002 |
Cement wastewater can increase soil alkalinity | 75.0 | 92.6 | 17.6 | −0.161 | 0.108 |
Compaction is most severe when the soil is wet | 87.5 | 100.0 | 12.5y | −1.881 | 0.060 |
Application of fertilizer after root damage | 6.3 | 16.0 | 9.7 | −0.931 | 0.352 |
Proper arrangement of soil texture considering air and water movement | 93.8 | 100.0 | 6.2 | −1.125 | 0.224 |
Grass around the base of trees can be detrimental | 18.8 | 23.1 | 4.3 | −0.332 | 0.740 |
Proper arrangement of soil texture and compaction | 18.8 | 21.7 | 2.9 | −0.271 | 0.786 |
Lateral extent of tree roots | 81.3 | 82.6 | 1.3 | −0.109 | 0.913 |
Effect of mulch on trees is preferred to grass | 62.5 | 61.5 | −1.0 | 0.062 | 0.951 |
Pruning paint is mainly cosmetic and doesn’t prevent decay | 18.8 | 11.1 | −7.7 | 0.699 | 0.485 |
Native undergrowth and leaf litter removal will benefit the tree | 43.8 | 29.6 | −14.2 | 0.939 | 0.348 |
Wise to prune a portion of branches to compensate for root loss | 50.0 | 30.8 | −19.2 | 1.246 | 0.213 |
When pruning it is best to cut flush with the trunk or branchx | 56.3 | 21.1 | −35.2z | 2.247 | 0.032 |
Overall | 51.3 | 56.6 | 5.3 | 0.008 | 0.994 |