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What Your Tree Needs and Why

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Proper Tree Care Techniques

Pruning Your Trees

Tree Hazards and Treatments

Your local garden center, county extension agent, or city arborists are also excellent sources of information if you should have further questions. They may also be able to refer you to ISA certified arborists.

Developed by the International Society of Arboriculture (ISA), a non-profit organization supporting tree care research around the world and is dedicated to the care and preservation of shade and ornamental trees.

For further information, contact:

ISA, P.O. Box 3129, Champaign, IL 61826-3129, USA.

E-mail inquires:

Cassity Tree Service - 9160 Charles Street - Sturtevant, WI. - 53177 - 262.886.5224