Worm Farm Glossary

Vermiculture – The breeding of earthworms for composting.

Worm Tea (also known as worm juice) – Liquid fertilizer produced by the worm farm. Can be brewed by soaking or dumping worm castings in water.

Worm Castings (also known as vermicast or vermicompost) – Organic fertilizer produced by worms (worm poop).

Worm Bedding – Material which creates a habitat for your worms to live in. Usually consists of damp shredded paper and cardboard pieces. Find out how to create worm bin bedding for your worms.

Carbon-to-Nitrogen ratio (C/N ratio or C:N ratio) – A ratio of the mass of carbon to the mass of nitrogen. Paper, cardboard and dry leaves are high in carbon. Food scraps are high in nitrogen.

pH (the potential of hydrogen) – A numeric scale between 0 and 14 used to specify acidity or alkalinity. 7 is neutral where lower values are more acid and higher values more alkaline. For example, lemon juice is at pH 2, pure water is neutral and seawater is at pH 8.

Potworms (also known as white worms) – Small species of worms, named enchytraeids, which are white in color and a common sight in worms farms. Find out how to reduce the population of potworms in the worm bin.

Epigeic / Epigean Earthworms – Ecological group of worms that live at or on the soil surface that is rich in organic matter (e.g. leaf litter, manure etc)

Endogeic Earthworms – Ecological group of worms that live in the soil and burrow horizontally

Anecic Earthworms – Ecological group of worms that live in the soil and burrow vertically

Red Wiggler worms (scientific name Eisenia Foetida or Eisenia Andrei) – Most popular species of worms for vermicomposting. Small red / brown color. Very adaptive to moisture and temperature extremes than other species.

Nightcrawler worms – Species of composting worms which tend to burrow deeper in the soil and only come to the surface at night to feed.

African Nightcrawler worms (scientific name Eudrilus Eugeniae) – An anecic species of composting worm. Large, grey / purple color. Cannot tolerate extreme cold and dislike disruption and handling. More suitable to warmer climates.

European Nightcrawler worms (scientific name Eisenia Hortseni) – Species of worms suited to cooler climates. Although can tolerate a wider moisture content range than other worm species. Medium, darker color than Red worms.

Indian Blue or Malaysian Blue worms (scientific name Perionyx Excavatus) – Species of worms that prefer warmer climates. Small and thin with blue / purple sheen.

Worm Bin Bedding – The habitat which composting worms live in. Typically consists of dampened carbon material such as shredded paper and cut up pieces of cardboard.

Clitella Band – An active worm breeder can be identified form their distinctive ring called a clitella band.

Coco Coir or Coconut Coir – A natural by-product of harvesting coconut. It consists of coarse fibers extracted from the husk on the outer shell of a coconut. Makes excellent worm bin bedding material as it is super water absorbent and breathable. Typically provided as a bedding block when getting started.

Peat Moss – A large absorbent moss which grows in boggy ground. Makes excellent worm bin bedding material as it holds moisture. It is slightly acidic however.

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