Contents
MAY/JUNE 2013 VOLUME 37 NUMBER 5
Cover photo provided by istockphoto/brianbalster.
Departments
Viewpoint. . . . . . . . . . . . . . . . 6
Marketplace. . . . . . . . . . . . . 28
Classifieds . . . . . . . . . . . . . . 28
Ad Index. . . . . . . . . . . . . . . . 29
Staying Current . . . . . . . . . . 30
Products
Equipment Focus
Earth-moving Equipment . . . 24
Features
8
Hedge Trimmers . . . . . . . . . 26
Green Roofs
Green Roof Life-cycle Assessment
Insights from cost-benefit analysis of green roofs versus conventional roofs
Irrigation and Water Management
12 Smart Irrigation Month:
Becoming Part of the Solution
Landscape Design and Construction
15 Principles of Ecological Landscape Design
Special Feature
18 Hallowed Ground
The landscape restoration and maintenance of Gettysburg National Military Park
4
Product Round-up
Landscape and Irrigation May/June 2013
Volume 37, Number 5,
MAY/JuNe 2013
Landscape and Irrigation (ISSN 0745-3795)
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