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Deep Roots of Landscape Trees

A Comprehensive Guide to Current Research & Practice

"When structural root systems of landscape trees are too deep, reduced vigor, decline, and even death can result. Although deep roots have existed for decades, awareness of them has been increasing recently. Many think the problem is actually getting worse."To address this industry-wide concern, in 2003, the American Nursery and Landscape Association and the International Society of Arboriculture proposed forming a National Working Group with broad green industry representation. The project is coordinated through the Morton Arboretum. Work is ongoing and this website will be updated periodically to include new information.

"The USDA Forest Service Urban and Community Forestry Program, on the recommendation of the National Urban and Community Forestry Advisory Council, has provided grant support for research and technology transfer, including development of this web page that includes:

  • the latest research results,
  • Best management practices, and
  • Proceedings of the ‘Getting the Roots Right’ Conference" [from website]

Deep Roots of Landscape Trees

Biology (tree), Roots
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