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Title:   Author  item
                                            MARK, CARROLL - University Of Marylanditem
                                            MASSEY, JOE - Mississippi State Universityitem
                                            Rice, Pamelaitem
                                            BELL, GREG - Oklahoma State Universityitem
                                            NETT, MARY - Water Quality Counseling
  Submitted to: American Chemical Society Abstracts
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 5/20/2008
                                    Publication  Date: 8/15/2009
                                    Citation: Mark, C., Massey, J., Rice, P.J., Bell, G., Nett, M. 2009. Golf Turf Pesticide Runoff Losses from Four Regional Sites [abstract]. American Chemical Society. 77:133.Interpretive Summary:
                                Technical Abstract: Efforts to validate runoff models for use on turf have been hampered by the availability of comprehensive regional data sets that can be used to demonstrate the wide spread applicability of the model validation effort. A multi state collaborative project was initiated to generate regional data sets that could be used to overcome this limitation. A common research protocol was used to evaluate pesticide runoff from fairway managed golf turf plots located in Mississippi, Maryland, Minnesota, and Oklahoma. The runoff of 2,4-D, flutolanil and chlorpyrifos was examined at the four sites under realistic worst-case soil moisture and simulation rainfall conditions. No one site was identified as having consistently different pesticide concentrations than any other site for all three of the pesticides that were examined. When losses were normalized to runoff amount and expressed as a percent of the amount of pesticide applied chlorpyrifos and 2,4-D runoff losses were site dependent while flutolanil losses were invariant of site location. Our results suggest that runoff losses of high-load rate pesticides applied to turf may be less sensitive to site conditions than are low-load rate pesticides. The results also emphasize the need to examine several pesticides when evaluating the ability of a model to accurately assess pesticide runoff from turf.


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