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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

Seed Inorganic Phosphorus Stability and Agronomic Performance of Two Low Phytate Soybean Lines Evaluated Across Six Southern U.S. Environments.  Boehm, J.D., F. R. Walker, H. Bhandari, D. A. Kopsell, and V. R. Pantalone.  2017.  Crop Science.

Seed inorganic phosphorus stability and agronomic performance of two low phytate soybean lines evaluated across six southeastern U.S. environments.  Pantalone, V. R., and J. Boehm.  2017.  World Soybean Research Conference 10, Poster completed and displayed in Plant Biotechnology Bldg. Conference cancelled due to Hurricane Irma.

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, 29 July 2016.

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

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

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

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.

Southern Phosphorus Indices, Water Quality Data, and Modeling (APEX, APLE, and TBET) Results: A Comparison.  Osmond, D., 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.

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.