Nitrogen use in the farm belt

Farmers in the Midwest fertilize their crops with the help of nitrogen, which then leaks into rivers and streams. A brewing fight over water quality in Iowa has broader implications for many agricultural areas, including southern Minnesota, that are trying to address pollution from fertilizer runoff.

February 16, 2015 at 10:53PM
(Raymond Grumney/The Minnesota Star Tribune)
(Raymond Grumney/The Minnesota Star Tribune)
about the writer

about the writer

Raymond Grumney

News Graphics Director

Ray Grumney is the news graphics director at the Star Tribune, with a proven 30-year award-winning track record. He is a driven visual journalist focused on developing and implementing high-impact design solutions to sometimes complicated data-driven stories.

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