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Date: 2009-12-17 16:54:05Feces Agricultural soil science Sewerage Sustainable food system Manure Anaerobic digestion Fertilizer Greenhouse gas Enteric fermentation Environment Sustainability Earth | Microsoft PowerPoint - 09decPProtz.pptAdd to Reading ListSource URL: www.extension.orgDownload Document from Source WebsiteFile Size: 420,26 KBShare Document on Facebook |