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Mealworm frass evaluation (for NPK) #921925

Asked November 13, 2025, 9:28 PM EST

Do you provide testing services suitable for characterizing mealworm frass as a fertilizer (i.e. NPK testing)?

Washtenaw County Michigan

Expert Response

No, we unfortunately do not offer fertilizer testing. You would need to find an alternative lab that provides such a service.

Thank you for contacting Ask Extension! Replied November 14, 2025, 9:01 AM EST

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Mealworm frass evaluation (for NPK) #921925

Expert Response

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