'It's getting worse' – U.S. failing to stem tide of h

U.S. farmers use more fertilizer and spread more manure than in most other countries, accounting for roughly 10% of global fertilizer use, behind China and India.

Related Keywords

Lake Erie , Minnesota , United States , Illinois , China , Mississippi , India , Wisconsin , Mississippi River , Louisiana , Atchafalaya , Gulf Of Mexico , Missouri , Indiana , University Of Iowa , Iowa , Iowa State University , Clark Porter , Silvia Secchi , Kindra Arnesen , R Eugene Turner , Matt Liebman , Michael Happ , Institute Of Agriculture , Hypoxia Research , Environmental Quality Incentives Program , Iowa Department Of Agriculture , Us Department Of Agriculture , Us Environmental Protection Agency , Conservation Stewardship Program , Louisiana State University , Upper Mississippi River Basin , Chesapeake Bay , Iowa State , Protection Agency , Mississippi Basin , Atchafalaya River Basin , Mississippi River Basin , Minneapolis Based Institute , Trade Policy , Iowa Department , Clean Water Act , Northern Gulf Hypoxia Zone , Harmful Algal Bloom , Control Act , Northern Gulf ,