Farmers use it to protect crops from insects, worms and mites.
VOA: special.2009.05.05
At the start of this new drama by Shane Carruth, a botanist brushes blue dust from a plant and makes infusions and capsules fromworms that he sifts from its soil.
And you can actually tweak as well - that's charming wormsfrom a distance with a long-handled fork, in case you're a bit squeamish of the worms, you don't have to get too close.