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.

Earthworms have a reputation for being helpful in the garden, and they usually are, but there are unexpected problems ...

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 ...