Fertilizer Research

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Neal S. Eash
Soil Science

Hubert J. (Hugh) Savoy
Associate Professor, Emeritus
Soil fertility/testing for sustainable production



UTIA Studies Profitability of Enhanced Efficiency Urea Fertilizers, 11/9/2018


(1 mention)

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.

(1 mention)

Preventing Nitrate Toxicity in Cattle 
UT experts talk about the danger of nitrate toxicity and how you can prevent it on your farm.

(1 mention)

Ag Year Preview 
Spring is almost here, and it’s just about time for Tennessee farmers to plant their 2012 crops. All indications are - things are looking good for producers, following what was a good year in 2011.

(1 mention)

High Input Costs 
Food prices have been going up, but so are the production costs for farmers who grow what we eat. Farm expenses are at record highs for Tennessee row-crop producers.

(1 mention)

Home Tomato Production 
UT Extension shares tips that can enhance the quality of the tomatoes you grow in your garden.


Recent Publications

UT Fertilizer Recommendation Development.  Duncan, L. A., H. J. Savoy, R. Florence, M. A. McClure, T. B. Raper, F. R. Walker, M. E. Essington, M. J. Buschermohle, S. Jagadamma, S. A. Hawkins, D. D. Tyler, et al.  2019.  University of Tennessee Extension Report, W795.

Influence of Microtopography and Soil Treatments on Tree Establishment on a Reclaimed Quarry Franklin, J. A., and D. S. Buckley.  2019.  Forests, 10(7), 597; https://doi.org/10.3390/f10070597. [Abstract]

Tree Response to Soil Treatments on Quarry Overburden.  Franklin, J. A., and D. S. Buckley.  2019.  Proceedings of the National Meeting of the American Society of Mining and Reclamation, Big Sky, MT., June 3–7, 2019. [Abstract]

Supply Chain and Logistic Optimization of Industrial Spent Microbial Biomass (SMB) Distribution as a Soil Amendment for Field Crop Production Lambert, L. H., O. Shvlo, B. C. English, N. S. Eash, J. A. Zahn, and D. M. Lambert.  2019.  Resources, Conservation, & Recycling, Volume 146, July 2019, Pages 218-231. [Abstract]

Effects of Enhanced Efficiency Urea on No-tillage Corn Yields and Profit Larson, J. A., X. Zhou, C. Boyer, X. Yin, M. A. McClure, H. J. Savoy, and M. E. Essington.  2019.  University of Tennessee Extension Publication, W 828. [Abstract]

Examining the potential to reduce nursery crop fertilizer rates with a leaching fraction-based irrigation schedule.  Pietsch, G. M., W. C. Wright, A. Fulcher, and J. McHugh.  2019.  ISHS Symposium on Irrigating Horticultural Crops, PS8-15.

Yield and ash content trade-off when isolating nitrogen fertilizer application in Alamo switchgrass.  Robertson, A., K. Pararibu, L. McCulloch, N. Labbé, and B. C. English.  2019.  Southern Agricultural Economics Association, February 1-4 , 2019, Birmingham, AL.

Phosphorus and Potassium Fertilizer Rate Verification for Corn-Wheat-Soybean Rotation System in Tennessee Singh, S., X. Yin, H. J. Savoy, L. Schneider, and S. Jagadamma.  2019.  Agronomy Journal, 111:1-9.

Corn mineral nutrition responses to NPSFe biofertilizer and NPKZn briquettes.  Yin, X., and J. H. Winings.  2019.  American Journal of Agricultural Research, 4:69.

Residual soil nutrient levels after corn harvest under NPSFe biofertilizer and NPKZn briquettes.  Yin, X., and J. H. Winings.  2019.  American Journal of Agricultural Research, 4:70.

Crop Rotation and Bio-Cover Impacts on No-Tillage Corn, Soybean, and Cotton Profitability in Tennessee Zhou, X., J. A. Larson, V. R. Sykes, A. J. Ashworth, and F. L. Allen.  2019.  Paper presentation 387-11., ASA-CSA-SSSA Annual Meeting, Nov 10-13, 2018, San Antonio, TX. [Abstract]

Field evaluation of agronomic effectiveness of multi-nutrient fertilizer briquettes for upland crop production.  Agyin-Birikorang, S., J. Winings, X. Yin, U. Singh, and J. Sanabria.  2018.  Nutrient Cycling in Agroecosystems, 110:395-406.