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Arboriculture & Urban Forestry Online
Volume 13, Issue 12 — December 1987

Containerized Trees in Urban Environments    (View PDF)

D.A. Rakow

Abstract: Successful management of trees in permanent landscape containers depends on a firm understanding of the conditions unique to this type of planting. Containerizing limits the extent of crown growth by restricting root development. In addition, tree roots can be killed by exposure to temporarily flooded conditions, as during periods of heavy rain. Alternatively, the small total volume of containers limits the potential reservoir of water for root uptake, which can result in extreme water stress when evaporative demand is high. Options for the management of containerized urban trees are presented, including selection of diminutive species, use of growth-restricting chemicals, modifying the growing medium, automating irrigation, and selecting group or shared planters.


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