Wednesday, March 11, 2020

Vermicomposting: Making Black Gold

Vermicomposting uses worms to decompose waste courtesy Wikimedia user ChristopheFinotVermicomposting is the process of using worms to digest food waste to produce a nutrient and microbe rich soil amendment known as vermicompost (vermi – being latin for worm).

This compost is sometimes referred to as “black gold” because when mixed into the soil, it’s extremely valuable to the health and growth of the plants.

Research has shown that vermicompost can have twice the available nutrients as standard compost (i.e. compost made in a compost pile) due to the additional process of being digested by the worms. This process also serves encourage the growth of beneficial microbes with in turn help to lower the incidence of plant diseases caused by soil borne and foliar plant pathogens and pests.

Vermicomposting can easily and cheaply be done on a small scale in most homes as an effective way of recycling food scraps. It is especially nice during the winter months for those who normally compost outside during the warmer months, but find it difficult to do so during the winter. A vermicompost bin in the home takes up little space, is relatively low maintenance, and does not have an odor if managed correctly.

To start vermicomposting, you’ll only need a bin, worms, and bedding material such as newspaper. Vermicompost bins can be easily made with plastic bins or five gallon buckets.

Two species of worms are generally preferred: red wigglers (Eisenia fetida) and redworms (Lumbricus rubellus). These species work well in bins because they are easy to keep, adapt well to the bin environment, will reproduce in captivity, and are surface feeders, rather than burrowers. In general, night crawlers and worms found in the soil in your yard, will not do well in compost bins. Worms to be used for vermicomposting can easily be ordered from local farm and garden suppliers.

Worms in general are not picky eaters and can be fed fruit and vegetable trimmings, grains, beans, and breads, egg shells, coffee grounds, lawn clippings, and fallen leaves. Worms should not be fed meat products, dairy products, or oils as these will create a strong smell and may attract pests. Additionally, it is also not recommended to feed worms citrus peels, onions, or garlic.

If you are interested in learning how to vermicompost in your home there is an abundance of information available on the internet including CCE Franklin’s website.

Additionally, a hands on, Vermicomposting Workshop is being offered on Saturday, March 21 from 1-3 pm at the Paul Smith’s College VIC.

This workshop will cover the basics of vermicomposting and will give you the opportunity to start your own bin. The workshop fee is $35 per person/couple/family and includes one bin and worms.

Pre-registration is required by Friday, March 13, so supplies can be ordered. Registration can be completed online, or by calling (518)483-7403.

Photo of Vermicomposting using worms to decompose waste courtesy Wikimedia user Christophe.Finot.

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2 Responses

  1. Bruce P Coffin says:

    Jessica clarification should be made that no one by any means should include Asian jumping worms which are an invasive species and invariably they will and up in someone’s compost pile because people are not familiar.

    • David Smith says:

      Great point Bruce! I should also point out prior to using newspapers check with the Organic farming rules if you are planning to use the compost in veggies destined to be sold as an organic product. The ink may be an issue there!

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