State Management Plan Process
1 For a thorough description of the the proposed SMP regulation, see the Federal Register, Volume 61, Number 124, June 26, 1996, "Part VII: Environmental Protection Agency-Pesticides and Ground Water State Management Plan Regulation, Proposed Rule."
2 In Indiana, for example, the SMP process is implemented under the authorities of the Indiana Pesticide Registration Law and the Indiana Pesticide Use and Application Law. NRCS actively participates in the "prevention" and "response" sections of the SMP by providing technical assistance to landowners in areas with identified non-point source pesticide groundwater concerns, and by working closely with state agencies responsible for implementing the SMP process.
3 For an overview of the NRI, see Kellogg, Robert L., Gale W. TeSelle, and J. Jeffery Goebel. "Highlights from the 1992 National Resources Inventory," Journal of Soil and Water Conservation, Volume 49(1994):521-527.
4 Previous results reported in "Kellogg, Robert L., Joe Bagdon, Susan Wallace, Steve Plotkin, Eric Hesketh, and Don W. Goss, Areas Where Technical Assistance Has the Greatest Potential to Mitigate Environmental Risks Associated with Pesticide Loss from Farm Fields, poster presentation at the 52nd Annual SWCS Conference, Toronto, Canada, July 22-25, 1997" used the maximum loss over the 20-year simulation, rather than the 95th percentile. The 95th percentile was chosen to avoid biasing the results with a few extreme outcomes that were produced because of infeasible combinations of rainfall and pesticide application dates.
5 Gianessi, Leonard P., and James Earl Anderson. Pesticide Use in U.S. Crop Production: National Data Report. National Center for Food and Agricultural Policy, Washington DC, February 1995.
6 The analysis can be re-run for states that can provide watershed-level estimates of pesticide use. If interested, contact Robert Kellogg, NRCS Headquarters, Resources Inventory and Assessment Division, Washington DC.
7 Knisel, W. G. (Ed). 1993. GLEAMS: Groundwater Loading Effects of Agricultural Management. Systems Version 2.10 Biological & Agricultural Engineering Department. Publication No. 5. University of Georgia-Coastal Plain Experiment Station, Tifton. 260 pp.
8 Knisel, W.G., F.M. Davis, R.A. leonard, and A.D. Nicks. Part III: User Manual p129-131. In Groundwater Loading Effects of Agricultural Management. Systems Version 2.10 Biological & Agricultural Engineering Department. Publication No. 5. University of Georgia-Coastal Plain Experiment Station, Tifton. 260.
9 Nicks, AD 1974. Stochastic generation of the occurrence, pattern, and location of maximum amount of daily rainfall. Pp. 154-171. In Proc. Symp. Statistical Hydrology, Aug.-Sept. 1971, Tucson, AZ. U.S. Dept. Agric., Misc. Pub. No. 1275.
10 Wauchope, R.D., T.M. Butler, A.G. Hornsby, P.W.M. Augustijn-Beckers, and J.P. Burt 1992. The SCS/ARS/CES pesticide properties database for environmental decision making. Environmental Contaminant Toxicology Reviews. 123:1-164.
11 Willis, G.H., and L.L. McDowell. 1987. Pesticide persistence of foliage. Environmental Contaminant Toxicology Reviews, 100:23-73
12 Insect Control Guide Volume 8, 1995, Meister Publishing Company, Willoughby, OH, 422pp
13 Weed Control Manual, Volume 30, 1996, Meister Publishing Company, Willoughby, OH, 538pp
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