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About Vermiculture
VERMICULTURE is the
technical term used to describe worm
farming.
The remnants left after
digestion are called CASTINGS. The liquid that seeps
through the material that the worms eat is called
LEACHATE. Both the castings and
the leachate are highly prized both as a natural pesticide as well
as an odourless fertilizer that is five times richer in nutrients
and micro-elements than a good topsoil.
Vermiculture most often uses two
species of worms. RED WRIGGLERS (Eisenia Foetida)
or RED EARTHWORMS (Lumbricus
Rubellus), rarely found
in soil and are suited only to the special conditions in rotting
vegetation, compost and manure piles.
The
earthworms remain active throughout the year under favourable
conditions. Moisture levels, temperature, food supply and space are
essential for their survival and biomass production.
Vermiculture results in the generation of useful organic
matter. It helps to avoid the environmental pollution and
expenditure of resources to treat organic waste. There is a
high level of organic waste generated from agriculture activities,
dairy farming, industrial activities, animal shelters and household
activitie - all of which is dumped to putrefy without proper
utilisation.
Vermiculture is eco-friendly and economical and its potential
benefits include: reduction of noxious qualities of organic
wastes, elimination/reduction of harmful micro organisms;
conversions of agro-wastes into high value fertilizer and production
of food and feed from food discards.
Vermicompost provides many benefits to agricultural soil
including increased ability to retain moisture, better nutrient
holding capacity, better soil structure and higher levels of
microbial activity. Vermicompost also has the ability to
stimulate plant growth. Many researchers have found that vermicompost stimulates further plant growth even when the plants
are already receiving optimal nutrition
.
The
images below illustrate the benefits of vermicompost as a plant
growth stimulant. The image on the left is of two bean
plants. The bean plant on the right shows the growth of the
plant three weeks after receiving one dose of vermiliquid.
The image
on the right is of Chinese spinach seedlings grown with (from left)
chemical fertilizer, powdered horse manure, vermicompost, and
nothing.
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