A gardening expert provides a reader with guideance about the garden worms that hitched a ride in her cow manure.
Potworms are among the garden worms you want. They're like mini-cousins to earthworms.
Illustration by Fotolia/sababa66
I think I have pinworms in my veggie garden. They came in some cow manure I bought in a bag. What can I do to kill them off? Have my veggies been affected by the pinworms?
Blue Springs, Missouri
Pinworms that infect humans are not carried in cow manure. Horses sometimes host another type of pinworm, but these also do not infect humans. It is likely the tiny white worms in the manure are enchytraeid worms (pronounced en-ke-treed). They are sometimes called potworms because they often are found in moist containers filled with peaty, acidic soil.
Enchytraeid worms are beneficial garden worms, rather like midget cousins to earthworms. They eat fungi and tiny bits of organic matter, and their castings are rich in nitrogen and other minor nutrients. They are a prized food for tropical fish. Potworms often are used as biological indicators when soils are tested for heavy metal contamination because they avoid copper, lead and other such contaminants.
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