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Eudrilus eugeniae, also called the "African nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost; it is an excellent source of protein and has great pharmaceutical potential. [1] [2]
Eisenia fetida, known under various common names such as manure worm, [2] redworm, brandling worm, panfish worm, trout worm, tiger worm, red wiggler worm, etc., is a species of earthworm adapted to decaying organic material. These worms thrive in rotting vegetation, compost, and manure. They are epigean, rarely found in soil.
Perionyx excavatus is a commercially produced earthworm. Popular names for this species include composting worms, blues, or Indian blues. This species is marketed for its ability to create fine worm castings quickly. It has recently become more popular in North America for composting purposes. This species belongs to the genus Perionyx.
The rate of growth during the first 14 days is very low, however; after 21 – 28 days, the rate of growth increases and then cycles up and down throughout the worm's life with no pattern. [14] The growth rate of these worms is correlated to the temperature of their environment. As temperatures increase from 30 °C, a significant growth rate ...
Vermicast (also called worm castings, [a] worm humus, worm poop, worm manure, or worm faeces) is the end-product of the breakdown of organic matter by earthworms. [1] These excreta have been shown to contain reduced levels of contaminants and a higher saturation of nutrients than the organic materials before vermicomposting.
Vermicompost (also called worm castings, worm humus, worm manure, or worm faeces) is the end product of the breakdown of organic matter by earthworms. [60] These castings have been shown to contain reduced levels of contaminants and a higher saturation of nutrients than the organic materials before vermicomposting.
Common hydraulic retention time values in vermifiltration systems range from 1 to 3 hours. [23] Hydraulic loading rates commonly vary between 0.2 m 3 m −2 day −1, [24] 3.0 m 3 m −2 day −1 [25] or 10–20 g L −1. [26] Organic loading rate is defined as the amount of soluble and particulate organic matter (as BOD 5) per unit area per ...
Lumbricus terrestris is a large, reddish worm species thought to be native to Western Europe, now widely distributed around the world (along with several other lumbricids). In some areas where it is an introduced species, some people consider it to be a significant pest for out-competing native worms. [1]