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(1965) The Influence of Nitrogen and Phosphorus Fertilization on Nutrient Status and Profitability of Bromegrass on Ida Soils, January 1965. Iowa State University
(1965) Experiments with Autoregressive Error Estimation by George W. Ladd, February 1965. Iowa State University
(1970) Pesticide Levels in Fish from Iowa Streams by R. L. Morris, Lauren Johnson, November 9, 1970. University of Iowa
(1971) Pesticide Residues in the Eggs of some Iowa Fish by Lauren G. Johnson, R.L. Morris, conducted by the State Hygienic Laboratory, October 1971. University of Iowa
(1975) Weed Control Guide for 1975 prepared by Vivan M. Jennings, January 1975. Iowa State University Extension
(1978) Lake Rathbun Pesticide Study by Jack O. Kennedy, October 30, 1978. University of Iowa
(1982) Scouting for and managing the alfalfa weevil, 1982. Iowa State University Extension
(1982) Sampling Instructions for Laboratory Analyses, Part A, Organic Compounds, including Pesticides, November 1982. University of Iowa
(1985) Apply Pesticides Correctly: Pesticide Applicator Certification: The Iowa Core Manual, February 1985. Iowa State University Extension
(1986) Scouting for and managing the alfalfa weevil, 1986. Iowa State University Extension
(1988) What to do When Clothes are Soiled with Pesticide, April 1988. Iowa State University Extension
(1989) European Corn Borer: Development and Management, 1989. Iowa State University Extension
(1993) General and household pest management, category 7A, 1993. Iowa State University Extension
(2001) Hub/Spokes Nutrient Management Model, 2001. Agriculture and Land Stewardship
(2002) Cropping Practices Baseline Data, 2002. Agriculture and Land Stewardship
(2002) Iowa Soil Properties and Interpretation Database, 2002. Agriculture and Land Stewardship
(2002) Soil Nitrogen and Carbon Management Project, 2002. Agriculture and Land Stewardship
(2002) Grass & Weed Control for Tree and Shrub Seedlings, February 2002. Iowa State University Extension
(2004) Results from the Testing of Adulterated Anhydrous Ammonia Provided by the State of Iowa's Office of Drug Control Policy, March 15, 2004. Drug Control Policy, Office of
(2010) Issue review : emerald ash borer overview. Legislative Services Agency (Legislative Service Bureau)
(2013) Pesticide Poisoning Surveillance Program, July 31, 2013. Public Health, Department of (Health and Human Services, Department of)
(2013) Work-Related Exposures to Pesticides in Iowa, 2008-2012. Public Health, Department of (Health and Human Services, Department of)
(2014) Pesticide Investigation & Enforcement, June 2014. Agriculture and Land Stewardship
(2015) Pesticide Container Disposal, August 3, 2015. Natural Resources, Department of
