Foliar accumulation of zinc in tree species grown in hardwood bark media amended with crumb rubber

Document Type

Article

Publication Date

6-19-2003

Abstract

Artificial nursery medium sources of uniformity and quality are becoming more difficult to locate. Alternative components such as recycled crumb rubber (CR) may have potential to be incorporated into bark or other growing media. Recycled CR is a waste product from automobile tires. Mixtures of CR and hardwood bark were evaluated in production of container-grown trees. Leaf tissue analysis revealed that linear or nonlinear increases in zinc (Zn) levels exceeded normal levels. Stem caliper, height, and quality of river birch (Betula nigra L.), pecan [Carya illinoinensis (Wangenh.) C. Koch], and lacebark elm (Ulmus parvifolia Jacq.) decreased with increasing percentages of CR.

Publication Source (Journal or Book title)

Journal of Plant Nutrition

First Page

1413

Last Page

1425

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