Eyebright writes:
peter Wrote:
What can I do to encourage the worms to return

apply organic matter to the soil's surface.
also....earthworms have a requirement for calcium.

For strong bones and teeth??

Equally important, keep the soil and the organic waste moist. With most
of Australia not getting much rain, this might mean having to water the
area with a hose every couple of days.
--
John Savage (my news address is not valid for email)