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.
Click on title text to view article or download and view as an Adobe Acrobat PDF.
Adobe Acrobat Reader
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
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