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Iowa
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Iowa Miscellany
water pollution from fertilizer is on the rise in Iowa
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Anika Jane Beamer
Inside Climate News
2026-05-01
Iowa's pervasive agricultural pollution
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Richard Manning
Harper's Magazine
2016-02-01
Iowa factory farming anti-whistleblower bill
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Tom Laskawy
Grist
2011-03-14
Des Moines Register
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Iowa Soybean Association
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Iowa Soybean Association Biodiesel Site
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