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Questions and Answers Regarding Nitrogen and Water Quality

Due to increased awareness of nutrient management and water quality, Iowa State University Extension and Outreach has received a number of questions about nitrogen movement from Iowa’s cropping systems into surface and subsurface water. The following frequently asked questions and answers have been prepared to clarify aspects of nitrogen management and nitrogen movement in the soil system.

Water Quality Talking Points

Iowa Watershed Project Database

This interactive map of current and closed watershed projects in Iowa contains summaries of each watershed project including years active, funding, vision, and project goals.  Links are available in the summary page for the individual watershed project websites, social media, and downloadable watershed management plans if available.

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Contact Us

Jamie Benning 
Water Quality Program Manager
Iowa State University Extension and Outreach
303E East Hall
Ames, IA 50011
benning@iastate.edu
515-294-6038

Adam Wilke
Water Quality Program Specialist
Iowa State University Extension and Outreach
418 East Hall
Ames, IA 50011
awilke@iastate.edu
515-294-8031

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