Worm poop becomes fertilizer
Earthworms are commonly used by fishermen to catch fish, but for Bemidji native Josh Burnham, it is the worms themselves that have the most value. ... It's their poop.
For two years, Burnham, 24, has been raising earthworms on his fourth-generation family land along the Mississippi. Being an avid fisherman, he decided he wanted to go into the worm business. He bought a few thousand worms in Racine, Wis., and began operations.