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The Iowa Trout Stream at the Center of a Feedlot Fight

Civil Eats

His curiosity eventually landed Stone a tour of the project: Walz Energy, a joint venture between a cattle-feeding operation and an energy company. According to the DNR, any open feedlot operation with 1,000 or more animal units needs to submit a plan to ensure the operation does not over-apply manure to surrounding cropland.

Manure 142