Stephen J. Kalkhoff

Fate and transport of glyphosate and aminomethylphosphonic acid in surface waters of agricultural basins

Richard H. Coupe, Stephen J. Kalkhoff, Paul D. Capel et al. · Pest Management Science · 2011 · 306 citations

Degradation of Chloroacetanilide Herbicides:  The Prevalence of Sulfonic and Oxanilic Acid Metabolites in Iowa Groundwaters and Surface Waters

Stephen J. Kalkhoff, Dana W. Kolpin, E. Michael Thurman et al. · Environmental Science & Technology · 1998 · 153 citations

Groundwater Quality, Chloroacetanilide Herbicides, Engineering +22

Occurrence of Selected Herbicides and Herbicide Degradation Products in Iowa's Ground Water, 1995

Dana W. Kolpin, Stephen J. Kalkhoff, Donald A. Goolsby et al. · Ground Water · 1997 · 119 citations

Groundwater Quality, Engineering, Herbicide Degradation Products +22

HERBICIDES AND TRANSFORMATION PRODUCTS IN SURFACE WATERS OF THE MIDWESTERN UNITED STATES¹

William A. Battaglin, E. Michael Thurman, Stephen J. Kalkhoff et al. · JAWRA Journal of the American Water Resources Association · 2003 · 97 citations

Environmental Flow, Herbicide Mass, Engineering +15

Atrazine degradation in a small stream in Iowa

Dana W. Kolpin, Stephen J. Kalkhoff · Environmental Science & Technology · 1993 · 90 citations

Engineering, Pesticide-residue Analysis, Databases +19