IN THIS ISSUE
May/June 2013
Volume 33, Number 4
FEATURES & PRODUCTS
Pest Management
6
Five Notorious Tree Pests
Training & Education
10
6
Friction
How to manage it in climbing operations
Plant Health Care
14
The Science of Systemic Bark Sprays
Special Feature
16
Hallowed Ground
10
The tree and landscape restoration and maintenance
at Gettysburg National Military Park
Equipment Focus
23
Tub and Horizontal Grinders
16
14
26
5
24
24
25
26
From the Editor
Marketplace
Classifieds
Advertisers' Index
Tree of the Month
Volume 33, Number 4, May/June 2013
ARBOR AGE (ISSN 0279-0106) (USPS 0589-830) (Reg. U.S. Pat. & T.M. Off.) is published monthly except Jan/Feb,
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4 Arbor Age / May/June 2013
ON THE COVER
DEPARTMENTS
Photo provided by Gettysburg National
Military Park
www.arborage.com
