1. A Professional Understands Dose by DR ALEX L. SHIGO
3. NTP, Natural Target Pruning
4. Patterns of Callus One Year Following Pruning
5. Proper Training Cuts for Young Small Trees
6. Regulating Size and Shape by Pruning ----pollarding
7. Tree Topping = mutilation
For additional information on trees, forest and associates we
suggest this information:
SHIGO AND TREES, ASSOCIATES
John A. Keslick Jr.
Tree Biologist
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Text & Graphics Copyright © 2006 Keslick & Son Modern Arboriculture