Have you noticed small, spiralled heaps on the surface of your lawn in the morning and been left scratching your head? Those ...

Worm castings may look like soil, but they are actually small pellets that have been through the digestive tracts of worms. They won't pack down like some soils, ...

This is taken from a vermicompost, where worms till soil into worm casting. (Getty Images) By Joshua Siskin | [email protected]. PUBLISHED: March 8, 2025 at 7:00 AM PST.

This is taken from a vermicompost, where worms till soil into worm casting. (Getty Images) By Joshua Siskin | [email protected]. PUBLISHED: March 8, 2025 at 7:00 AM PST.

There are also beneficial nematodes, however, that prey on soil-dwelling larvae of insect pests. Worm castings owe their pest control capacity to chitinase, an enzyme that breaks down chitin, an ...