Modern arboriculture means by Alex shigo

Modern arboriculture means:

1.the right tree in the right place
2.building designs that give trees space to grow.
3.beautiful trees growing in clusters.
4.healthy trees growing below grade.
5.young trees with space to grow and with proper early pruning.
6.the target is removed, not the tree
7.no sprouts from a correct pruning cut.
8.early training regulates size and shape of trees.
9.the sidewalk is cut, not the tree or its roots
10. proper care for old trees, and respect for their dignity.
11. planting trees at the proper depth.
12.people touching trees and learning how they work, before the work on them.
13.treatments that destroy defense systems must be stopped.
14.treatments that cause serious internal injuries must be stopped.
15.treatments that start other problems must be stopped.
16.treatments that injure and kill transplanted tree must be stopped.

SOURCE: Alex shigo 1991 modern arboriculture