Ralph H. Crawford, PhD

Treesearch Publications

• Juan P. Frene, Shaneka Lawson, Niall D. Lue Sue, Ralph H. Crawford, Terrence G. Gardner. 2024. Effects of tree species identity on soil microbial communities in Juglans nigra and Quercus rubra plantations
• Terrence G. Gardner, Juan P. Frene, Shaneka Lawson, Niall D. Lue Sue, Jeffery Handy, Ralph H. Crawford. 2023. The Impact of Tree Species on Microbial Community Structure and Soil Function on Forest Plantations in the Central Hardwoods Region (CHR)
• Ralph H. Crawford. 2006. USDA Forest Service Experimental Forests and Ranges
• Jim Reaves, Ralph H. Crawford. 1994. In vitro colony interactions among species of Trichoderma with inference toward biological control.
• Ralph H. Crawford, Steven E. Carpenter, John Mayfield, Robert E. Martin. 1987. Fungi from foliage of Arctostaphylospatula, Castanopsis chrysophylla, and Ceanothus velutinus.

• Federal Execuitve Institue, Certificate Of Completion, Leadership for a Democratice Society, 2009
• Harvard School of Government, Certificate Of Completion, Federal Senior Executive Training, 2006
• Alabama A&M University, Ph.D. Plant And Soil Science, Belowground Ecosystem Dynamics of Microbial Communities of Southwest Oregon Forest, 1995
• Atlanta University, M.S. Biology/Plant Pathology, Foliar Endophytic Communities of Central Oregon Shrubs, 1983
• Voorhees College, B.S. Biology, Biology, 1979