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Factory Farms in Iowa Generate 110 Billion Pounds of Manure Per Year. No One Tracks Where It’s Going.
12/4/25, 12:00 AM
Manure management planning could prevent fertilizer pollution. But an antiquated system isn’t doing enough to track manure, a former state employee says.
This story is a collaboration between Inside Climate News and Sentient Media.
More than a thousand hogs grow fat in the enclosed shed-like structures on Gene Tinker’s farm in northeast Iowa, while a few hundred cattle pace in open feedlots.
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