August Informational Webcast Scheduled

The next monthly UNRI Informational Webcast, on “Deep Roots Research“, by Gary Johnson, Ph.D., University of Minnesota, Extension Professor, is scheduled for Wednesday, August 13, 2008 at 11:00 AM (Eastern). Deep or buried root systems have been causing problems for arborists for decades. When root systems stop functioning normally, the entire tree system [...]

Northern Research Station
United States Department of Agriculture
USDA Forest Service


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