Following are some independent research articles on The Smart Pot, The Smart Pot-In Ground (Root Control Bag), The Pot Pruner and The Tree Collar. All articles are reprinted exactly as they originally appeared.
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Root Pruning: A Touchy Subject. Discusses root pruning in the Smart Pot compared to a plastic pot. By James Altland, Oregon State University From Digger, a publication of the Oregon Association of Nurseries, May 2007
Putting A Dollar Figure On Blow-Over Discusses the economics of the Tree Collar By Eric & JC Tort, Owners of Sun City Tree Farm From NM Pro, December 2005
On-Farm Nursery Crop Demonstrations In Western Kentucky Discusses the mix used in the Smart Pot & compares container grown Zelkovas By Dava Hayden & Winston Dunwell, University of Kentucky From Nursery and Landscape Program 2005 Research Report, University of Kentucky
Keeping Roots Cool Discusses the insulating value of the Pot Pruner By Todd Woodfield, General Manager, Horticon, Inc. From NM Pro, March 2005
Root Control Bag: The Roots Within Discusses growing Thuja occidentalis (arborvitae) and Spiraea nipponica (Snowmound) in bags By Dr. Edward G. Corbett, University of Conn. From The CONNECTICUT NURSERY NEWSLETTER, August 1990
Transplanting of Sycamore Trees Grown in Fabric Bags Compares the transplanting of large bag grown and field grown sycamore trees By Steven E. Newman, Mississippi State University From the SNA Research Conference – Volume 36, page 158, 1991 www.sna.org