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Gary M. Lessman
Associate Professor
Soil fertility and plant analysis



4 mentions

Soil Testing 
If you’re looking for a healthy garden or green grass, it’s good to know the content of your soil. UT Extension offers inexpensive soil tests, and it’s all done in a special lab in Nashville.


Recent Publications

Mycorrhizal stimulation of leaf gas exchange in relation to root colonization, shoot size, leaf phosphorus and nitrogen: a quantitative analysis of the literature using meta-regression Augé, R. M., A. M. Saxton, and H. D. Toler.  2016.  Frontiers in Plant Science, Front. Plant Sci., 29 July 2016 | http://dx.doi.org/10.3389/fpls.2016.01084.

Vegetation leachate during arctic thaw enhances soil microbial phosphorus.  Buckeridge, K., S. M. Schaeffer, and J. P. Schimel.  2016.  Ecosystems, 19(3):477-489.

Southern Phosphorus Indices, Water Quality Data, and Modeling (APEX, APLE, and TBET) Results: A Comparison.  D. Osmond, C. Bolster, A. Sharpley, M. Cabera, S. Feagley, A. Forsberg, C. Mitchell, R. Mylavarapu, L. Oldham, D. Radcliffe, J. J. Ramirez-Avila, D. Storm, F. R. Walker, and H. Zhang.  2016.  Journal of Environmental Quality.

Impacts of Land Use Disturbance on Fish and Aquatic Macroinvertebrate Assemblages in the Nolichucky River Watershed Gotwald, Hayley S.  2016.  M.S. Thesis, University of Tennessee-Knoxville.

Expanding the harvest window for switchgrass based on phosphorus and potassium remobilization J. L. Bacon, A. J. Ashworth, F. L. Allen, C. E. Sams, D. D. Tyler, W. E. Hart, and J. F. Grant.  2016.  Crop Science, Crop Science 56:1-8.

Potassium and phosphorus effects on disease severity of Charcoal Rot of soybean.  Mengistu, A., X. Yin, N. Bellaloui, M. A. McClure, D. D. Tyler, and K. N. Reddy.  2016.  Canadian J. Plant Pathology, 38:174-182.

Crop and soil response from phosphorus and potassium fertilizer rate verification for the state of Tennessee.  Savoy, H. J., S. Jagadamma, X. Yin, and D. K. Joines.  2016.  ASA-CSSA-SSSA International Annual Meeting. Phoenix, AZ. Nov 5-9.

Mycorrhizal Stimulation of Leaf Gas Exchange in Relation to Root Colonization, Shoot Size, Leaf Phosphorus and Nitrogen: A Meta-Analysis Using Meta-Regression.  Toler, H. D., and R. M. Augé.  2016.  American Society for Horticultural Science.

Guidelines for Using the Revised Tennessee Phosphorus Risk Index Walker, F. R., and S. A. Hawkins.  2016.  UTIA Extension publication.

Phosphorus differentially influences fatty acids, protein, and oil in soybean.  Yin, X., N. Bellaloui, M. A. McClure, D. D. Tyler, and A. Mengistu.  2016.  American Journal of Plant Sciences, 7:1975-1992.

The association of low-molecular-weight compounds with native casein micelles in bovine milk Cheema, M., M. S. Mohan, S. R. Campagna, J. Jurat-Fuentes, and F. M. Harte.  2015.  Journal of Dairy Science, 98(8): 5155-5163.

Vegetation and soil development in planted pine and naturally regenerated hardwood stands decades after mining.  Frouz, J., and J. A. Franklin.  2015.  Journal of the American Society of Mining and Reclamation.