What is "mulched"

Usage examples of "mulched".

Although the roses were still naught but mulched sticks, the lawn there was green again, and Rhodda was happy to sit on the grass and pretend to share her meal with her imaginary friends, the ones she called gnomes.

Those must be gathered quickly and mulched, as required by sacred law.

Just at twilight of a day that had seemed almost warm they sat together on a small bench amid the mulched herbs.

Wind and avian-borne seeds and spores in their turn mulched the sand into dirt.