Mulch Presentation Resources

Joseph Murray

Tree Literacy, LLC

Williamsville, Virginia


“Handout” from my recent presentation:


Mulch: And This Time Do It For The Trees!

(Mulch: The Good, Bad, and Ugly)



Here are some of the resources I used in my presentation:


Proper Mulching Techniques (from ISA’s treesaregood.org)  



Horticultural Myths. Dr. Linda Chalker-Scott. Look under the heading “Mulches.” 



Web Soil Survey

  • Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service (NRCS) and provides access to the largest natural resource information system in the world. NRCS has soil maps and data available online for more than 95 percent of the nation’s counties and anticipates having 100 percent in the near future. The site is updated and maintained online as the single authoritative source of soil survey information.
  • http://websoilsurvey.sc.egov.usda.gov/App/HomePage.htm



Map of the contiguous United States showing relative amounts of soil organic matter. 



Cocoa Hull Mulch


Publications from Bryant Scharenbroch and Gary Watson (and the other fine folks at Morton Arboretum Soil Science) 

  • http://www.masslaboratory.org/publications.html 
    • A Meta-analysis of Studies Published in Arboriculture & Urban Forestry Relating to Organic Materials and Impacts on Soil, Tree, and Environmental Properties (B.C. Scharenbroch in Arboriculture & Urban Forestry 2009. 35(5):221-231)
    • Effects of Organic and Inorganic Fertilizers on Soil Quality and Tree Growth in a Compacted Urban Soil (B.C. Scharenbroch & G.W. Watson in Tree Care Industry, October 2013)


The Combustibility of Landscape Mulches. University of Nevada Cooperative Extension. SP-11-04. Stephen Quarles (University of California Cooperative Extension) & Ed Smith (University of Nevada Cooperative Extension).



Facts About Termites and Mulch. Faith M. Oi and Marsha Wheeler. University of Florida IFAS Extension. 


Allelopathy Resources
  • Allelopathy and Arboriculture: Theory to Application. by Timothy Chick. Arborist News February 2014. 
  • Allelopathy as as Inhibition Factor in Ornmental Tree Growth: Implications From the Literature. by Timothy A. Chick and J. James Kielbaso. Journal of Arboriculture 24(5): September 1998

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