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for "Swine--Johnston County"
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To protect the environment and deal with swine waste, Johnston County farmer Julian Barham turned to technology for solutions. The farm handles 4,000 sows, and hog waste is collected in a two-acre, twenty-feet deep lagoon. Technology allows methane gas collection to generate electricity and provide warm water to heat the farm's 7,500 tomato plant greenhouses. Other byproducts include reusable water for the farm and carbon dioxide for the greenhouses.