Biogeochemistry, Contaminant Hydrology and Water Quality, Environmental Chemistry
My research focuses on determination and quantification of the mechanisms and factors controlling the degradation, movement, and activity of pesticides and their metabolites in soil; and to use this knowledge to reduce pesticide use by increasing herbicide efficacy in agricultural production systems, and to decrease the risk of ground water contamination.
Regitano, J. B. and W. C. Koskinen. 2008. Characterization of nicosulfuron availability in aged soils. J. Agric. Food Chem. 56:5801-5806.
Accinelli, C., W. C. Koskinen, J. M. Becker, and M. J. Sadowsky. 2008. Mineralization of the Bacillus thuringiensis Cry1Ac endotoxin in Soil. J. Agric. Food Chem. 56:1025-1028.
Accinelli, C., W. C. Koskinen, J. M. Becker, and M. J. Sadowsky. 2007. Environmental fate of two sulfonamide antimicrobial agents in soil. J. Agric. Food Chem. 55:2677-2682.
Marek, L. J., and W. C. Koskinen. 2007. Multiresidue analysis of seven anticoagulant rodenticides by high-performance liquid chromatography/electrospray/mass spectrometry. J. Agric. Food Chem. 55:571-576.
Sadowsky, M. J., W. C. Koskinen, J. Seebinger, B. L. Barber, and E. Kandeler. 2006. Automated robotic assay of alkaline phosphomonoesterase activity in soils. Soil Sci. Soc. Am. J. 70:378-381.
Koskinen, W. C., M. J. Calderon, P. J. Rice, and J. Cornejo. 2006. Sorption-desorption of flucarbazone and propoxycarbazone and their benzenesulfonamide and triazolinone metabolites in two soils. Pest Manage. Sci. 62:598-602.
Cruz-Guzman, M., R. Celis, M. C. Hermosin, W. C. Koskinen, and J. Cornejo. 2005. Adsorption of pesticides from water by functionalized organobentonites. J. Agric. Food Chem. 53:7502-7511.
Accinelli, C., W. C. Koskinen, J. D. Seebinger, A. Vicari, and M. J. Sadowsky. 2005. Effects of incorporated corn residues on glyphosate mineralization and sorption in soil. J. Agric. Food Chem. 53:4110-4117.
Carrizosa, M. J., W. C. Koskinen, and M. C. Hermosin. 2004. Interactions of acidic herbicides bentazon and dicamba with organoclays. Soil Sci. Soc. Amer. J. 68:1863-1866.
Cecchi, A. M., W. C. Koskinen, H. H. Cheng, and K Haider. 2004. Sorption-desorption of phenolic acids as affected by soil properties. Biol. Fert. Soils 39:235-304.