Projects

USING AGRICULTURAL AND INDUSTRIAL BYPRODUCTS TO IMPROVE CROP PRODUCTION SYSTEMS AND ENVIRONMENTAL QUALITY Appropriated (D)   Accession Number: 419887

CONSERVATION SYSTEMS RESEARCH FOR IMPROVING ENVIRONMENTAL QUALITY AND PRODUCER PROFITABILITY Appropriated (D)   Accession Number: 421056

IMPACT OF GYPSUM ON CROP YIELD, SOIL CHEMICAL PROPERTIES, AND THE SOLUBILITY OF PHOSPHORUS Reimbursable (R)   Accession Number: 413177

INCREASING SOYBEAN PRODUCTIVITY WHILE IMPROVING SOIL QUALITY AND MITIGATING CLIMATE CHANGE Reimbursable (R)   Accession Number: 422259

Research and education best management practice for sustainable production of soybean under climate change Reimbursable (R)   Accession Number: 422364

ANIMAL WASTE MANAGEMENT STRATEGIES FOR REDUCING GREENHOUSE GAS EMISSIONS IN CT CROPPING SYSTEMS IN THE TENNESSEE VALLEY REGION OF N. ALABAMA Specific Cooperative Agreement (S)   Accession Number: 419416

Use of Flue Gas Desulfurization Gypsum (FGDG) to Improve Crop and Forage Production on Erodible Soils of the South Trust (T)   Accession Number: 421364

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Microbial-Based Inoculants Impact N2O Emissions from an Incubated Soil Medium Containing Urea Fertilizers - (Peer Reviewed Journal)

Calvo, P., Watts, D.B., Kloepper, J.W., Torbert III, H.A. 2013. Microbial-Based Inoculants Impact N2O Emissions from an Incubated Soil Medium Containing Urea Fertilizers. Journal of Environmental Quality. 42:704-712.

Impact of FGD gypsum application on water quality in a coastal plain soil - (Abstract Only)

Torbert III, H.A., Watts, D.B. 2012. Impact of FGD gypsum application on water quality in a coastal plain soil. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.

Comparison of soil applied flue gas desulfurization (FGD) and agricultural gypsum on soil physical properties - (Abstract Only)

Arriaga, F.J., Watts, D.B., Torbert III, H.A. 2012. Comparison of soil applied flue gas desulfurization (FGD) and agricultural gypsum on soil physical properties. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.

Effects of gypsum on trace metals in soils and earthworms - (Peer Reviewed Journal)

Chen, L., Kost, D., Tian, Y., Guol, X., Watts, D.B., Dick, W.A. 2013. Effects of gypsum on trace metals in soils and earthworms. Journal of Environmental Quality. doi:10.2134/jeq2012.0096.

Nitrogen mineralization in production agriculture - (Peer Reviewed Journal)

Torbert III, H.A., Watts, D.B. 2012. Nitrogen mineralization in production agriculture. International Journal of Agronomy. Article ID 989365, 2 pages, doi:10.1155/2012/989365. http://www.hindawi.com/journals/ija/2012/989365/.

Non-composted municipal solid waste byproduct influences soil and plant nutrients five years after soil reclamation - (Peer Reviewed Journal)

Watts, D.B., Arriaga, F.J., Torbert III, H.A., Busby, R., Gebhart, D.L. 2012. Non-composted municipal solid waste byproduct influences soil and plant nutrients five years after soil reclamation. Soil Science. 177:480-489.

Impact of poultry litter cake, cleanout, and bedding following chemical amendments on soil C and N mineralization - (Peer Reviewed Journal)

Watts, D.B., Smith, K.E., Torbert III, H.A. 2012. Impact of poultry litter cake, cleanout, and bedding following chemical amendments on soil C and N mineralization. International Journal of Agronomy. Vol. 2012, Article ID 204629, 8 pages, doi:10.1155/2012/204629.

Impact of Tillage and Fertilizer Application Method on Gas Emissions in a Corn Cropping System - (Peer Reviewed Journal)

Smith, K.E., Watts, D.B., Way, T.R., Torbert III, H.A., Prior, S.A. 2012. Impact of Tillage and Fertilizer Application Method on Gas Emissions in a Corn Cropping System. Pedosphere. 22(5):604-615.

Soil carbon dioxide fluxes in conventional and conservation tillage corn production systems receiving poultry litter and inorganic fertilizer - (Peer Reviewed Journal)

Nyakatawa, E.Z., Mays, D.A., Way, T.R., Watts, D.B., Torbert III, H.A., Smith, D.R. 2012. Soil carbon dioxide fluxes in conventional and conservation tillage corn production systems receiving poultry litter and inorganic fertilizer. Journal of Sustainable Agriculture. 36(8):873-892.

Alternative N sources for corn and cotton in Alabama - (Experiment Station)

Mitchell, C.C., Watts, D.B., Moore, D.P. 2012. Alternative N sources for corn and cotton in Alabama. Agricultural Experiment Station Publication. Bulletin 677. Available: http://www.aaes.auburn.edu/comm/pubs/bulletins/bull677.pdf

New technology N products in alabama - (Proceedings)

Mitchell, C.C., Watts, D.B., Moore, D.P. 2012. New technology N products in alabama. National Cotton Council Beltwide Cotton Conference, January 3-6-,2012, Orlando, Florida. CDROM.

New technology N products in alabama - (Proceedings)

Mitchell, C.C., Watts, D.B., Moore, D.P. 2012. New technology N products in alabama. National Cotton Council Beltwide Cotton Conference, January 3-6, 2012, Orlando, Florida. CDROM.

Ecosystem biomass, carbon, and nitrogen five years after restoration with municipal solid waste - (Peer Reviewed Journal)

Watts, D.B., Arriaga, F.J., Torbert III, H.A., Gebhart, D.L., Busby, R.R. 2012. Ecosystem biomass, carbon, and nitrogen five years after restoration with municipal solid waste. Agronomy Journal. 104(5):1305-1311.

Microbial inoculants as tools for reducing nitrous oxide emissions from soil - (Abstract Only)

Calvo-Valez, P., Watts, D.B., Torbert III, H.A., Kloepper, J.W. 2011. Microbial inoculants as tools for reducing nitrous oxide emissions from soil [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 16-19, 2012, San Antonio, Texas. CDROM.

Use of industry by-product gypsum to reduce soluble P in soil - (Abstract Only)

Watts, D.B., Torbert III, H.A. 2011. Use of industry by-product gypsum to reduce soluble P in soil [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 16-19, 2011, San Antonio, Texas. CDROM.

Impact of FGD gypsum on bermudagrass in Coastal Plain soil - (Abstract Only)

Watts, D.B., Torbert III, H.A. 2011. Impact of FGD gypsum on bermudagrass in Coastal Plain soil [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 16-19, 2011, San Antonio, Texas.CDROM.

Comparison of soil applied flue gas desulfurization (FGD) and agricultural gypsum on soil physical properties - (Abstract Only)

Arriaga, F.J., Watts, D.B., Torbert III, H.A. 2011. Comparison of soil applied flue gas desulfurization (FGD) and agricultural gypsum on soil physical properties [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 16-19, 2011, San Antonio, Texas. CDROM.

The potential for FGD gypsum use in Alabama - (Abstract Only)

Mitchell, C.C., Watts, D.B., Arriaga, F.J. 2011. The potential for FGD gypsum use in Alabama [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 16-19, 2012, San Antonio, Texas. CDROM.

Evaluation of poultry litter fertilization practices on greenhouse gas emissions - (Book / Chapter)

Watts, D.B., Torbert III, H.A., Way, T.R. 2011. Evaluation of poultry litter fertilization practices on greenhouse gas emissions. In: Understanding Greehouse Gas Emissins from Agricultural Management. American Chemical Society, Washington, DC. p. 473-492.

Tillage and fertilizer management effects on soil atmospheric exchanges of methane and nitrous oxide in a corn production system - (Peer Reviewed Journal)

Nyakatawa, E.Z., Mays, D.A., Way, T.R., Torbert III, H.A., Smith, D.R., Watts, D.B. 2011. Tillage and fertilizer management effects on soil atmospheric exchanges of methane and nitrous oxide in a corn production system. Applied and Environmental Soil Science. Article ID 475370, 12 pages doi:10.1155/2011/475370. Available: http://www.hindawi.com/journals/aess/ 2011/475370.

Long-Term tillage and poultry litter impacts on soybean and corn grain yield - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A. 2011. Long-Term tillage and poultry litter impacts on soybean and corn grain yield. Agronomy Journal. 103:1479-1486.

Use of FGD gypsum on a bermudagrass pasture in the Appalachian Plateau Region - (Proceedings)

Watts, D.B., Torbert III, H.A. 2011. Use of FGD gypsum on a bermudagrass pasture in the Appalachian Plateau Region. In: Proceedings of the Fourth Biennial World Coal Ash (WOCA) International Conference, May 9-12, 2011, Denver, CO. CDROM.

An implement for subsurface band application of poultry litter - (Proceedings)

Way, T.R., Watts, D.B., Tewolde, H., Sistani, K.R., Torbert III, H.A. 2011. An implement for subsurface band application of poultry litter. In: Midwest Poultry Federation Proceedings, March 16-17, 2011, St. Paul, Minnesota. CDROM.

Use of neem cake as an organic substrate component - (Proceedings)

Kiefer, C.W., Sibley, J.L., Watts, D.B., Torbert III, H.A., Fain, G.B., Gilliam, C.H. 2011. Use of neem cake as an organic substrate component [Abstract]. Southern Nursery Association Research Conference, January 19-20, 2011, Mobile, Alabama. CDROM.

Calculation of Effective Gas Flux from Soil following Band Application of Manure or Fertilizer - (Peer Reviewed Journal)

Way, T.R., Watts, D.B., Smith, K.E., Torbert III, H.A. 2011. Calculation of effective gas flux from soil following band application of manure or fertilizer. Transactions of the ASABE. 54(1):337-345.

Subsurface application of poultry litter and its influence on nutrient losses in runoff water from permanent pastures - (Peer Reviewed Journal)

Watts, D.B., Way, T.R., Torbert III, H.A. 2011. Subsurface application of poultry litter and its influence on nutrient losses in runoff water from permanent pastures. Journal of Environmental Quality. 40:421-430.

Influence of tillage and fertilizer placement methods on corn yield - (Abstract Only)

Watts, D.B., Way, T.R., Torbert III, H.A. 2010. Influence of tillage and fertilizer placement methods on corn yield. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.

Subsurface band application of poultry litter - (Proceedings)

Way, T.R., Watts, D.B., Tewolde, H., Sistani, K.R., Torbert III, H.A. 2010. Subsurface band application of poultry litter. In: Proceedings of the National Poultry and Animal Waste Management Symposium, October 26-28, 2010, Greensboro, North Carolina. CDROM.

Impact on Soil Utilizing Poultry Litter as a Fertilizer Source in Conservation Tillage Systems - (Proceedings)

Watts, D.B., Torbert III, H.A. 2010. Impact on Soil Utilizing Poultry Litter as a Fertilizer Source in Conservation Tillage Systems. In: Proceedings of the Uruguayan Society of Soil Science and ISTRO Uruguay Branch Conference, July 12-14, 2010, Colonia del Sacramento, Uruguay. p. 10. 2010 CDROM.

Soil microbial community dynamics as influenced by composted dairy manure, soil properties and landscape position - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A., Feng, Y., Prior, S.A. 2010. Soil microbial community dynamics as influenced by composted dairy manure, soil properties and landscape position. Soil Science. 175(10):474-486.

Assessment of Mercury in Soils, Crops, Earthworms, and Water when Soil is Treated with Gypsum - (Abstract Only)

Dick, W.A., Kost, D.A., Chen, L., DeSutter, T., Mitchell, C.C., Norton, L.D., Smeal, D., Torbert III, H.A., Watts, D.B., Wolkowski, D. 2010. Assessment of Mercury in Soils, Crops, Earthworms, and Water when Soil is Treated with Gypsum [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. CD ROM.

Long-term tillage and poultry litter application impacts on crop production in northeastern Alabama - (Proceedings)

Watts, D.B., Torbert III, H.A. 2010. Long-term tillage and poultry litter application impacts on crop production in northeastern Alabama. In: Conservation Agriculture Impacts-Local and Global, Proceedings of the 32nd Southern Conservation Agricultural Systems Conference, July 20-22, 2010, Jackson, Tennessee. p.49-53.

FGD gypsum use as a soil amendment to reduce soluble P in soil - (Proceedings)

Watts, D.B., Torbert III, H.A. 2010. FGD gypsum use as a soil amendment to reduce soluble P in soil. Southern Conservation Agricultural Systems Conference. In: Conservation Agriculture Impacts-Local and Global, Proceedings of the 32nd Southern Conservation Agricultural Systems Conference, July 20-22, 2010, Jackson, Tennessee. p.89-96.

Influence of Elevated Atmospheric CO2 and Tillage Practice on Rainfall Simulation - (Proceedings)

Prior, S.A., Watts, D.B., Arriaga, F.J., Runion, G.B., Torbert III, H.A., Rogers Jr, H.H. 2010. Influence of Elevated Atmospheric CO2 and Tillage Practice on Rainfall Simulation. In: Conservation Agriculture Impacts-Local and Global, Proceedings of 32nd Southern Conservation Agricultural Systems Conference, July 20-22, 2010, Jackson, Tennessee. P. 83-88. CD-ROM.

The effect of enhanced-efficiency fertilizers on nitrous oxide emissions from various cropping systems - (Abstract Only)

Halvorson, A.D., Del Grosso, S.J., Venterea, R.T., Rosen, C., Smith, J.L., Parkin, T.B., Hatfield, J.L., Sistani, K.R., Dell, C.J., Watts, D.B. 2010. The effect of enhanced-efficiency fertilizers on nitrous oxide emissions from various cropping systems. Meeting Abstract. p - see link above

Long-Term Tillage and Poultry Litter Impacts Soil Carbon and Nitrogen Mineralization and Fertility - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A., Prior, S.A., Huluka, G. 2010. Long-Term Tillage and Poultry Litter Impacts Soil Carbon and Nitrogen Mineralization and Fertility. Soil Science Society of America Journal. 74:1239-1247.

Manure and inorganic fertilizer management practices for reducing methane and nitrous oxide emissions in conservation tillage systems - (Abstract Only)

Nyakatawa, E.Z., Mays, D., Way, T.R., Watts, D.B., Torbert III, H.A. 2009. Manure and inorganic fertilizer management practices for reducing methane and nitrous oxide emissions in conservation tillage systems [abstract]. American Society of Agronomy Meetings. CDROM.

Carbon dioxide emissions in conventional and no-till corn production systems under different fertilizer management practices - (Abstract Only)

Nyakatawa, E.Z., Mays, D., Way, T.R., Watts, D.B., Torbert III, H.A. 2009. Carbon dioxide emissions in conventional and no-till corn production systems under different fertilizer management practices. American Society of Agronomy Meetings. CDROM.

Impact of subsurface applying poultry litter on greenhouse gas emissions in a permanent pasture - (Abstract Only)

Watts, D.B., Way, T.R., Torbert III, H.A. 2009. Impact of subsurface applying poultry litter on greenhouse gas emissions in a permanent pasture [abstract]. American Society of Agronomy Meetings. CDROM.

Impact of subsurface applying poultry litter on reducing P losses in surface water runoff in a permanent pasture - (Abstract Only)

Watts, D.B., Way, T.R., Torbert III, H.A. 2009. Impact of subsurface applying poultry litter on reducing P losses in surface water runoff in a permanent pasture. American Society of Agronomy Meetings. CDROM.

Influence of fertilizer placement on gaseous loss (CO2, CH4, N2O, and NH4) under different tillage management practices in a corn cropping system - (Abstract Only)

Watts, D.B., Torbert III, H.A., Way, T.R. 2009. Influence of fertilizer placement on gaseous loss (CO2, CH4, N2O, and NH4) under different tillage management practices in a corn cropping system [abstract]. American Society of Agronomy Meetings. CDROM.

Greenhouse gas (CO2, CH4, N2O) flux associated with agricultural fields with residual poultry litter applied as banded and surface applied treatments - (Abstract Only)

Smith, K.E., Watts, D.B., Way, T.R., Torbert III H.A. Greenhouse gas (CO2, CH4, N2O) flux associated with agricultural fields with residual poultry litter applied as banded and surface applied treatments [abstract]. American Society of Agronomy Meetings. CDROM.

Soil Property and Landscape Position Effects on Seasonal Nitrogen Mineralization of Composted Dairy Manure - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2010. Soil property and landscape position effects on seasonal nitrogen mineralization of composted dairy manure. Soil Science. 175(1):27-35.

Tillage and Fertilizer Application Practices Effects on Greenhouse Gas Flux (CO2, CH4 and N2O) and Yield in a Corn Cropping System - (Proceedings)

Watts, D.B., Smith, K.E., Way, T.R., Torbert III, H.A., Prior, S.A. 2009. Tillage and fertilizer application practices effects on greenhouse gas flux (CO2, CH4 and N2O) and yield in a corn cropping system. In: Sustainable Agriculture, Proceedings of 18th International Conference of the International Soil Tillage Research Organization, June 15-19, 2009, Izmir, Turkey. 2009 CDROM. p. 13.

Influence of Poultry Litter Application Methods on the Longevity of Nutrient and E. coli in Runoff from Tall Fescue Pasture - (Peer Reviewed Journal)

Sistani, K.R., Bolster, C.H., Way, T.R., Torbert III, H.A., Pote, D.H., Watts, D.B. 2010. Influence of Poultry Litter Application Methods on the Longevity of Nutrient and E. coli in Runoff from Tall Fescue Pasture. Water, Air, and Soil Pollution. 206:3-12.

Tillage and Fertilizer Effects on Soil Methane and Nitrous Oxide Emissions - (Abstract Only)

Nyakatawa, E., Mays, D., Way, T.R., Watts, D.B., Torbert Iii, H.A., Smith, D.R. 2009. Tillage and Fertilizer Effects on Soil Methane and Nitrous Oxide Emissions. In: Agronomy Abstracts, Southern Branch ASA, Madison, Wisconsin. CDROM.

Impact of Gypsum Applied to Buffer Strips on Reducing Soluble P in Surface Water Runoff - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A. 2009. Impact of gypsum applied to buffer strips on reducing soluble P in surface water runoff. Journal of Environmental Quality. 38:1511-1517.

Tillage and Fertilizer Application Methods Effects on Greenhouse Gas Flux (CO2, CH4 and N2O) - (Abstract Only)

Watts, D.B., Smith, K.E., Torbert III, H.A., Way, T.R. 2008. Tillage and Fertilizer Application Methods Effects on Greenhouse Gas Flux (CO2, CH4 and N2O)[abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. 2008 CDROM.

Impact of Gypsum Applied to Grass Buffer Strips on Reducing Soluble P in Surface Water Runoff - (Abstract Only)

Watts, D.B., Torbert III, H.A. 2008. Impact of Gypsum Applied to Grass Buffer Strips on Reducing Soluble P in Surface Water Runoff [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. 2008 CDROM.

The Impact of Fertilizer Type and Application Method on the Loss of Greenhouse (CO2, N2O, CH4), and Air Quality (NH3) Gases - (Abstract Only)

Smith, K.E., Watts, D.B., Torbert III, H.A., Way, T.R. 2008. The Impact of Fertilizer Type and Application Method on the Loss of Greenhouse (CO2, N2O, CH4), and Air Quality (NH3) Gases [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. 2008 CDROM.

Effects of Tillage and Sampling Depth on the Distribution of Phosphorus and Nitrogen Forms in Manure Applied Soils - (Abstract Only)

Tazisong, I.A., Senwo, Z.N., Taylor, R.W., Watts, D.B. 2008. Effects of Tillage and Sampling Depth on the Distribution of Phosphorus and Nitrogen Forms in Manure Applied Soils. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.

Residual Effects of Long-Term Tillage and Manure Application on Soil Macronutrients - (Abstract Only)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2007. Residual Effects of Long-Term Tillage and Manure Application on Soil Macronutrients. American Society of Agronomy Meetings. CDROM.

Soil Microbial Community Dynamics as Influenced by Soil Properties and Landscape Position - (Proceedings)

Watts, D.B., Torbert III, H.A., Feng, Y., Prior, S.A. 2007. Soil microbial community dynamics as influenced by soil properties and landscape position. In: Proceedings of the 29th Annual Southern Conservation Systems Conference. The Next Step after Conservation Tillage. June 25-27, 2007, Quincy, Florida. P. 264-281.

A Seasonal Nitrogen Mineralization Study as Influenced by Soil Properties and Landscape Position - (Abstract Only)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2007. A seasonal nitrogen mineralization study as influenced by soil properties and landscape position. [abstract] Southern Branch American Society of Agronomy Meeting. CDROM

Soil Physical Characterization of Soil under Long-Term Tillage and Manure Application - (Abstract Only)

Watts, D.B., Torbert III, H.A., Arriaga, F.J. 2006. Soil Physical Characterization of Soil under Long-Term Tillage and Manure Application [abstract]. American Society of Agronomy Meetings. 2007 CDROM

Mineralization of N in Soils Amended with Dairy Manure as Affected by Wetting/Drying Cycles - (Peer Reviewed Journal)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2007. Mineralization of N in soils amended with dairy manure as affected by wetting/drying cycles. Communications in Soil Science and Plant Analysis. 38:2103-2116.

TILLAGE AFFECTS ON N MINERALIZATION AND LOSSES OF WINTER APPLIED MANURE - (Proceedings)

Watts, D.B., Torbert III, H.A., Prior, S.A., Balkcom, K.S. 2006. Tillage affects on n mineralization and losses of winter applied manure. In: Schwartz, R. C., Baumhardt, R.L., and Bell, J.M., editors. Proceedings of the 28th Annual Southern Conservation Systems Conference. Improving Conservation Technologies to Compete for Global Resources and Markets. June 26-28, 2006, Bushland, Texas. p. 196-204.

LONG-TERM EFFECTS OF TILLAGE AND MANURE APPLICATION ON SOIL CARBON AND NITROGEN MINERALIZATION - (Abstract Only)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2006. Long-term effects of tillage and manure application on soil carbon and nitrogen mineralization [abstract]. American Society of Agronomy Branch Meeting. CDROM

CARBON AND NITROGEN MINERALIZATION OF SOIL UNDER LONG-TERM TILLAGE AND MANURE APPLICATION - (Abstract Only)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2005. Carbon and nitrogen mineralization of soil under long-term tillage and manure application [abstract]. American Society of Agronomy. 2005 CDROM

MINERALIZATION OF N IN SOILS AMENDED WITH DAIRY MANURE AS AFFECTED BY WETTING/DRYING CYCLES - (Abstract Only)

Watts, D.B., Torbert III, H.A., Prior, S.A. 2004. Mineralization of N in soils amended with dairy manure as affected by wetting/drying cycles. [abstract] American Society of Agronomy Meetings. 2004 CDROM

MINERALIZATION OF NITROGEN IN SOILS UNDER DIFFERENT TEMPERATURE AND WETTING/DRYING REGIMES - (Abstract Only)

Watts, D.B., Torbert III, H.A. 2004. Mineralization of nitrogen in soils under different temperature and wetting/drying regimes. [abstract] American Society of Agronomy Branch Meeting. CDROM