Worm castings owe their pest control capacity to chitinase, an enzyme that breaks down chitin, an integral constituent of insect exoskeletons, fungus cell walls, and nematode eggshells.

PLANTERSVILLE, Texas -- At Magic Worm Ranch, 128,000 night crawlers are eating away at soil and grains. The ranch has a process that collects their castings, also known as worm poop. "As the soils ...

Insects’ aversion to worm castings is demonstrated when they are spread over ant nests, causing the ants to remove themselves from the nests. If you have an issue with ants climbing up the trunks of ...