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Mulch and planting depth affect live oak (Quercus virginiana mill.) establishment

Reference Type
Journal, Research (Article)

"This study was designed to evaluate the impact of several planting depths and mulch depth, particle size, and placement on tree establishment.

Except for one period 2 weeks after transplanting, mulch depth and mulch particle size did not affect first-year stress (stem xylem potential) or growth of 76 mm (3 in.) caliper, balled-and-burlapped, transplanted live oak (Quercus virginiana Mill.). Negative effects of deep [15 mm (6 in.)] mulch 2 weeks after transplanting occurred for the mixed particle­sized material only. Mulch placed over the root ball intercepted water, causing a drier root ball and resulting in greater tree stress and reduced survival following light applications of water than for trees with no mulch over the root ball. This result did not occur following heavy applications of water. Keeping the ground near trees free of vegetation chemically had the same effect on post-planting stress and growth as mulching did. Soil over the root ball resulting from deep planting intercepted water, resulting in more tree stress and greater likelihood of tree death in the first 4 weeks after planting. However, trees planted deeply were less stressed 3 months after planting. No root ball settlement occurred in the first 6 months after planting container-grown trees." [Abstract]

Authors
E.F. Gilman, J. Grabosky
Date Published
2004
Journal/Conference
Journal of Arboriculture
Publisher
International Society of Arboriculture
Publisher Location
Savoy, IL (US)
ISBN/ISSN
0278-5226
Volume/Issue/Number
30//5
Start Page
311
End Page
317
Sub-Topics
Mulching, Planting, Stress & Stressors, Growth
State(s)/Region(s)
Florida
Keywords
B&B, Container-grown, Mulching, Planting, Planting depth, Quercus
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UMN
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