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Tag: department of pesticide

May 25, 2010

Worm poop is…a pesticide?

Author: Timothy Sandefur George Hahn is an entrepreneur who had an idea for a different kind of garden fertilizer—one made out of, yes, worm poop. Or "worm castings," as they're called in the trade. Worm castings are a natural component of all healthy garden soil, and gardeners have long known that worms play a crucial ...