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Contact: Matt Helmers
mhelmers@iastate.edu
515-294-6717
Iowa State University
Caption: Nitrates that leach into the soil can affect communities that depend on the rivers for clean drinking water. They can leach into the soil and are carried downstream. These nitrates are believed to contribute to a dead zone in the Gulf of Mexico where few plants or animals survive.
Credit: ISU photo by Bob Elbert.
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Related news release: Switchgrass lessens soil nitrate loss into waterways, ISU researcher says
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