To employ worms to break down organic waste into soil or humus(verb)
The product of worm composting; worm castings(noun)
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Use "vermicompost" in a sentence
"The resulting product, called vermicompost (VC), or worm castings, provides commercial and amateur growers an environmentally friendly alternative to conventional substrate additives for producing many varieties of container-grown plants."
"The worms eat the sludge, digest it, and turn it into vermicompost which is clean enough to use on farms fields as well as home gardens."
"It would implement waste management technologies such as vermicompost, backyard farming, community toilet with bio-gas plant for degradable solid wastes in these villages."