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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

Switchgrass Cultivar, Yield, and Nutrient Removal Responses to Harvest Timing Ashworth, A. J., F. L. Allen, J. L. Bacon, C. E. Sams, W. E. Hart, J. F. Grant, P. A. Moore, and D. H. Pote.  2017.  Agronomy Journal, Vol 109(6):1-8. [Abstract]

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, 57:1-9. [Abstract]

Nitrogen, Phosphorus, and Potassium Fertilizer effects on Cassava Tuber Yield in the Coastal District of Dondo, Mozambique.  Cuvaca, I. B, N. S. Eash, D. M. Lambert, F. R. Walker, and W. P. Rustrick.  2017.  African Journal of Agricultural Research, African Journal of Agricultural Research, Vol. 12 (42); 3112 – 3119. [Abstract]

Forage cowpea performance under organic management in the southeastern USA as influenced by cultivar and phosphorus fertilizer application Hill, S.L., D. Verbree, G. E. Bates, and D. M. Butler.  2017.  Agronomy Journal.

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.  2017.  Journal of Environmental Quality. [Abstract]

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. [Abstract]

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. [Abstract]

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. [Abstract]

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. [Abstract]

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.