This article (see reference section below for more info) seems to support one of the hunches I had – that Red Worms do indeed kill off nematodes via passage through their digestive system.
Do worms eat nematodes?
Some earthworms eat harmful nematodes, thus decreasing the concentration of these harmful organisms in soil.
What are red wigglers favorite food?
Red wigglers eat most things organic including fruit/veggie scraps, bread, coffee grounds/filters, tea bags, grains, plant trimmings, paper, leaves, etc.
Do coffee grounds make good worm bedding?
Attract worms Worms love to eat coffee grounds, and that's great news for your garden. Add coffee grounds to your compost pile to help attract worms, which help speed up the process of turning food scraps into compost. You can also add coffee grounds directly to the soil, but you'll have to be careful not to overdo it.
Are nematodes harmful to earthworms?
Beneficial nematodes and the bacteria they spread are not known to be harmful to humans, animals, plants, earthworms or other non-target organisms, but they do aggressively pursue insects like grubs.
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Is there a downside to nematodes?What animals eat nematodes?
