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Research Looks at Impact of Human Manure Used as Fertilizer
2014-08-14 00:37:00| National Hog Farmer
Source: American Society of Animal Science Much like livestock manure, biosolids, or human manure is often applied to land as fertilizer. In fact, approximately 50% of all human excrement in the U.S. is spread on various terrains. This is considered a cost-friendly, sustainable method of sewage disposal. Biosolids, or processed human sewage sludge, are normally treated to remove bacteria and pollutants before they are applied to land. However, some toxicants are resistant to degradation and remain in the treated product. Chemicals commonly referred to as endocrine disrupting compounds (EDC), which interact with and potentially alter physiological systems in the body, can be found in both unprocessed and processed biosolids. read more
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Category:Agriculture and Forestry