George O'Connor

Professor
Environmental Soil Chemistry

DEPARTMENTAL RESEARCH AREAS
Management of Nutrients, Pesticides, and Wastes

RESEARCH FOCUS
Environmental soil chemistry, specifically, the application of basic soil-chemistry principles to guide responsible and beneficial use of non-hazardous wastes on soils.

COURSES TAUGHT
SWS 5050 and SWS 5050 DE – Soils for Environmental Professionals
SWS 4451/5406 Soil and Water Chemistry
SWS 4550/5551 and SWS 4550/5551 DE Soils, Water and Public Health

SELECT PUBLICATIONS
Pannu, M.W., G.A. O’Connor, and G. S. Toor. 2012. Toxicity and bioaccumulation of biosolids-borne triclosan in terrestrial organisms. Environ. Toxicol. Chem. 31: 646-653.

Pannu, M.W., G. S. Toor, G.A. O’Connor, and P. Wilson. 2012. Toxicity and bioaccumulation of biosolids-borne triclosan in food crops. Environ. Toxicol. Chem. 2012 (In press: DOI                   10.1002/etc.1930).

Snyder, E.H., G.A. O’Connor, and D.C. McAvoy. 2011. Toxicity and bioaccumulation of biosolids-borne triclocarban (TCC) in terrestrial organisms. Chemosphere. 82: 460-467.

Obour, A.K., J.M.B. Vendramini, M.L. Silveira, L.E. Sollenberger, G.A. O’Connor, and J.W. Jawitz. 2010. Phosphorus fertilization responses on bahiagrass pastures. Agron. J. 103: 611-616.

Castillo, Miguel S., L. E. Sollenberger, J. M.B. Vendramini, K. R. Woodard, G. A. O’Connor, M.L. Silveira, and J.B. Sartain. 2011.  Incorporation of municipal biosolids affects organic N            mineralization and elephantgrass biomass production. Agron. J. 103: 899-905.

Miller, M.L., J.H. Bhadha, G.A. O’Connor, J.W. Jawitz, and J. Mitchell. 2011. Aluminum water treatment residuals as permeable reactive barrier sorbents to reduce phosphorus losses.            Chemosphere. 83: 978-983.

Moura, D.R., M.L. Silveira, and G.A. O’Connor. 2011. Long-term reclaimed water application effects on phosphorus leaching potential in rapid infiltration basins. J. Environ. Monitoring. 
13: 2457-2462.

Agyin-Birikorang, S., G.A. O’Connor, and J.E. Erickson. 2011. Sustainable nutrient management package for cost-effective bioenergy biomass production. J. Plant Nutrition. (In press).

Obour, A.K., M.L. Siveira, J.M.B. Vendramini, L.E. Sollenberger, and G.A. O’Connor. 2011. Fluctuating water table effect on phosphorus release and availability. Nutr. Cycl. Agroecosyst.   91: 207-217.

Obour, A.K., M.L. Siveira, J.M.B. Vendramini, J.W. Jawitz, G.A. O’Connor, and L.E. Sollenberger. 2011. A phosphorus budget for bahiagrass growing on a typical Florida Spodosol. Agron. J. 103:611-616.

Waria, M., G.A. O’Connor, and G. S. Toor. 2011. Biodegradation of triclosan (TCS) in biosolids-amended soils. Environ. Toxicol. Chem. 30: 2488-2496.

Miller, M.L., J.H. Bhadha, G.A. O’Connor, J.W. Jawitz, and J. Mitchell. 2011. Aluminum water treatment residuals as permeable reactive barrier sorbents to reduce phosphorus losses. Chemosphere. 83: 978-983.

Castillo, Miguel S., Lynn E. Sollenberger, João M.B. Vendramini, Kenneth R. Woodard, George A. O’Connor, M.L. Silveira, and J.B. Sartain. 2011.  Incorporation of municipal biosolids affects organic N mineralization and elephantgrass biomass production. Agron. J. 103:899-905.

Snyder, E.H., G.A. O’Connor, and D.C. McAvoy. 2011. Toxicity and bioaccumulation of biosolids-borne triclocarban (TCC) in terrestrial organisms. Chemosphere. 82: 460-467.

Obour, A.K., M.L. Silveira, J.M.B. Vendramini, L.E. Sollenberger, G.A. O’Connor, and J.W. Jawitz. 2010. Agronomic and environmental impacts of phosphorus fertilization of low input bahiagrass systems in FL. Nutr. Cycl. Agroecosyst. 89: 281-290.

Obour, A.K., J.M.B. Vendramini, M.L. Silveira, L.E. Sollenberger, G.A. O’Connor, and J.W. Jawitz. 2010. Phosphorus fertilization responses on bahiagrass pastures. Agron. J. 103: 611-616.

Agyin-Birikorang, S,, M. Miller, and G.A. O’Connor. 2010. Triclocarban and triclosan retention-release characteristics of biosolids, soils, and biosolids-amended soils.  Environ. Toxicol. Chem. 29: 1925-1933.

Li, Y.C., E. Hanlon, G. O’Connor, J. Chen, and M. Silveira. 2010. Land application of compost and other wastes (by-products) in Florida: regulations, characteristics, benefits and concerns. HortTechnology 20:41-51.

Snyder, E.H., G.A. O’Connor, and D.C. McAvoy. 2010. Measured physicochemical characteristics and biosolids concentrations of the antimicrobial triclocarban (TCC). Sci. Total Environ. 408:2726-2732.

Snyder, E.H., G.A. O’Connor, and D.C. McAvoy. 2010. Fate of 14C-triclocarban in biosolids amended soils. Sci. Total Environ.  408:2667-2673.

Castillo, Miguel S., Lynn E. Sollenberger, João M.B. Vendramini, Kenneth R. Woodard, John T. Gilmour, George A. O’Connor, Yoana C. Newman, Maria L. Silveira, and Jerry B. Sartain. 2010. Municipal biosolids as an alternative nutrient source for bioenergy crops: II. Decomposition and organic nitrogen mineralization. Agron. J. 102:1314-1320.

Castillo, Miguel S., Lynn E. Sollenberger, João M.B. Vendramini, Kenneth R. Woodard, George A. O’Connor, Yoana C. Newman, Maria L. Silveira, and Jerry B. Sartain. 2010. Municipal biosolids as an alternative nutrient source for bioenergy crops: I. Elephantgrass biomass production and soil responses. Agron. J. 102:1308-1313.

CONTACT INFORMATION
Soil and Water Science Department, 2181 McCarty Hall Al, PO Box 110290, University of Florida, Gainesville, Florida 32611
(352) 294-3167, (352) 392-3399 fax
email: gao@ufl.edu
Full Curriculum Vitae