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Michael E. Essington
Soil Chemistry and Mineralogy

Mark A. Radosevich
Soil microbiology & biochemistry

Groups and Facilities

1 mention

UT Beef and Forage Center 
Facilitating research and communication to advance the Tennessee Beef and Forage industry.



3 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.

3 mentions

Sweet corn 
UT AgResearchers applied herbicides to experimental sweet corn to keep weeds away. But something unexpected happened -- they boosted the nutritional value of the corn.

1 mention

Weed Progress 
Weeds are a nuisance to gardeners, but downright devastating to those who farm for a living. But now experts and farmers say the worst may be behind us.

1 mention

No-Till Hills 
There was a time when sloped land was just about useless because of frequent soil erosion. But now, hilly terrain can be productive. 'No-tillĒ farming makes it possible.

1 mention

Little River Facility 
Itís long been an issue in farming Ė how can we be productive in agriculture and still protect the environment? UT Ag-Research has a new facility dedicated to that cause.


Recent Publications

Abscisic Acid Impacts Tomato Carotenoids, Soluble Sugars, and Organic Acids.  Barickman, T. C., D. A. Kopsell, and C. E. Sams.  2016.  HortScience, 51(4):1-7.

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, 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.

Surveying the Near-Surface Fibrous Roots of The Orange Tree With 3-D GPR Freeland, R. S.  2016.  Applied Engineering in Agriculture, †32(2): 145-153.

Simulated Flood of a Small Constructed Floodplain Wetland in Virginia: Event-Scale Pollutant Attenuation Ludwig, A. L., W. C. Hession, D. T. Scott, and D. L. Gallagher.  2016.  Transactions of the ASABE, 59(5): 1319-1329.

Light quality impacts on growth, flowering, mineral uptake and petal pigmentation of marigold Sams, C. E., D. A. Kopsell, and R. C. Morrow.  2016.  Acta Horticulturae, Acta Horticulturae 1134:139-145 iSHS.

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.

Breakeven price of biomass from switchgrass, big bluestem, and indiangrass in a dual-purpose production system in Tennessee. Biomass and Bioenergy Boyer, C., A. P. Griffith, D. McIntosh, G. E. Bates, P. D. Keyser, and B. C. English.  2015.  Biomass and Bioenergy.

Impact of Selenium Fertilization on Glucosinolate Concentration in Arabidopsis thaliana and Rapid Cycling Brassica oleracea Barickman, T. C., D. A. Kopsell, and C. E. Sams.  2014.  Journal of Plant Nutrition.

Precision Soil Sampling Strategies for Agricultural Fields of West Tennessee Grant, T., H. J. Savoy, and B. G. Leib.  2014.  ASA, CSSA & SSSA International Annual Meeting, Long Beach, CA November 2-5, 2014.

Using Conservation Agriculture to Sustainably Intensify Maize Production and Increase Yields in the Maphutseng valley, Lesotho.  Walker, F. R., N. S. Eash, M. V. Marake, and D. M. Lambert.  2014.  Proceedings, Proceedings of World Congress of Conservation Agriculture, June 22 to 25, 2014. Winnipeg, Canada.

Selenium Influences Glucosinolate and Isothiocyanates and Increases Sulfur Uptake in Arabidopsis thaliana and Rapid-cycling Brassica oleracea.  Barickman, T. C., D. A. Kopsell, and C. E. Sams.  2013.  Journal of Agricultural and Food Chemistry, 61(1):202-209.