Production of Caliper Trees by Use of The "Minnesota System"
The University of Minnesota affiliated author discusses container production of caliper shade trees. The "Minnesota System" was designed to address the following problems; root circling in the container, winter injury of root system, and tipping over in windy weather.
To view the article, click on the link attachment.
Sept. - Oct. 1981 Vol. 5, Issue 5 Pages 12-14
Harold Pellet University of Minnesota Landscape Arboretum 3675 Arboretum Drive, Chaska, MN 55318