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We believe that weaving insects into the fabric of our food system is a profoundly important course of action to restore circularity in agriculture. Insects, and the microbial ecosystems they nurture, could be the missing link to restore soil health, eliminate organic waste, and produce a nutrient-rich, healthy food system for generations to come. 

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Our knowledge center is under construction (and always will be!) 

What is Frass? 

  • Frass is a general term that means the things that insects and their larvae leave behind.

  • It contains excrement from all the things they consume as they so along like plant material, wood, human food, and other materials. Frass will look different depending on the insect type and what their food source is.

  • Frass can look like little bits of dust, rust, or sawdust, or whatever the insects have been consuming.

  • Frass also contains chitin, the main component found in the exoskeletons of insects and shellfish. The nutrients in frass are in a readily available form that allows it to function as efficiently as a mineral NPK fertilizer.

Source: State 3 Farm via Grow Magazine

About BSFL



Center for Environmental Sustainability through Insect Farming 

Chapul Farms' CEO, Pat Crowley, is the chair of the board for the CEIF. 

Image by Joakim Honkasalo

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