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- Raw manure presents a food safety risk
Raw manure presents a food safety risk because it contains pathogens that can contaminate fresh produce. When using raw manure, reduce risks by incorporating it into the soil within 72 hours after application, and never apply it during the growing season. Maximize the time between manure application and crop harvest to reduce risks. The LGMA requires a 1 year harvest interval, while the NOP requires 90/120 days and the FSMA proposed produce rule requires 9 months. Refer to the Soil Amendments Overview for more information and references.
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The LSU AgCenter and the LSU College of Agriculture