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Screen grab from the PorkCares.org website.
Smithfield Foods released the Environment section of its 17th sustainability report.
Struvite could be part of a circular phosphorus economy.
Since the 1990s, Smithfield has explored ways to transform hog manure into renewable energy.
Three hog barns reflected on a manure lagoon in the foreground
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Three hog barns reflected on a manure lagoon in the foreground
Applying hog manure using a drag line system into a field of small grain stubble.