Biosolids are a recyclable organic material produced in municipal wastewater treatment plants that can be used as fertilizer for gardens and landscapes. Class A biosolids meet the strictest pathogen standards, based on federal treatment and monitoring requirements. Only Class A biosolids are available for home garden and landscape use. Research shows that biosolids build soil organic matter, improve soil tilth, and benefit crops under a wide range of conditions by providing nitrogen, phosphorus, and organic matter. Biosolids products are a locally produced and inexpensive source of plant nutrients and soil organic matter.
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