When talking about vermiculture, it is theoretically mentioning the biotechnology that uses a domesticated species of worm as a working tool, recycles all kinds of organic matter obtaining as a result of this work humus, meat and worm meal.
▶ As for the general biology of the earthworm, the earthworm is a biologically simple organism, being water its main constituent (80 to 90%) of its total weight. It has different colors varying from pale, pink, black, brown, brown and deep red with yellowish stripes between the segments.
The shape of the earthworm is cylindrical with quadrangular sections, the size varies according to the species from 5 to 30 cm long and its diameter ranges from 5 to 25 mm, the number of segments is according to the species, varying from 80 to 175 rings, in relation to habitat and feeding, earthworms correspond to the macrofauna of the soil, with wide distribution in the world and with more than 7,000 identified species.
All terrestrial species feed on organic matter decomposed on the surface, but also use organic substances, and according to the food resources they exploit and the environmental conditions in which they live, they can be classified as detritivores, those that eat on vegetable mulch or animal manure in the superficial horizons of the soil rich in organic matter.
Being the body wall of red pigments and the geophagous, those that eat large quantities of soil with organic matter, generally of pale colors. Earthworms prefer humid sites, do not tolerate drought and frost, and are more numerous in cool soils.
