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Personnel

Gary M. Lessman
Associate Professor
Soil fertility and plant analysis

 

Video


2 mentions

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


 

Recent Publications

Elevated Levels of Potassium in Greenhouse-grown Red Romaine Lettuce Impacts Mineral Nutrient and Soluble Sugar Concentrations.  Barickman, T. C., T. E. Horgan, J. R. Wheeler, and C. E. Sams.  2016.  HortScience, vol.51(9):504-509.

Effect of biochar on nutrient release and retention in container crops.  Basiri, N., F. R. Walker, A. Fulcher, and J. Altland.  2016.  Proceedings of Southern Nursery Association meeting. Athens GA. August 29 to 31, 2016.

Temporal Frequency of Soil Test Information Effects on Returns to Potassium Fertilization in Cotton Production.  Harmon, X. L., C. Boyer, J. A. Larson, and D. M. Lambert.  2016.  Journal of Agricultural and Applied Economics.

Selecting Cotton Yield Response Function to Estimate Profit-Maximizing Potassium Fertilization Rates for Cotton Production in Tennessee.  Harmon, X., C. Boyer, C. O. Gwathmey, J. A. Larson, and R. K. Roberts.  2016.  Journal of Plant Nutrition.

Comparing the Value of Soil Test Information Using Deterministic and Stochastic Yield Response Plateau Functions Harmon, X., C. Boyer, D. M. Lambert, J. A. Larson, and C. O. Gwathmey.  2016.  Journal of Agricultural and Resource Economics, 41(2): 307-323.

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.

Temporal Frequency of Soil Test Information Effects on Returns to Potassium Fertilization in Cotton Production.  X.L. Harmon, C. Boyer, D. M. Lambert, and J. A. Larson.  2016.  Southern Agricultural Economics Association annual meeting,, San Antonio, TX. February 6-9, 2016.

Elevated Levels of Potassium in Greenhouse Red Romaine Lettuce Impacts Mineral Nutrient Content and Nutritional Quality.  Barickman, T. C., T. E. Horgan, and C. E. Sams.  2015.  HortScience, 50(9): S395-S396.

Alfalfa response to potassium rate and timing of application.  Grant, T., and H. J. Savoy.  2015.  ASA Southern Branch Meeting, Atlanta, GA, February 1-3, 2015.

Cassava tuber quality as measured by starch and cyanide (HCN) affected by nitrogen, phosphorus and potassium fertilizer rates.  I.B. Cuvaca, N. S. Eash, S. Zivanovic, D. M. Lambert, F. R. Walker, and W. Rustrick.  2015.  Journal of Agricultural and Applied EconomicsJournal of Agricultural Science, 7(3):32-48.