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Vermicomposting uses worms to decompose waste and make nutrient-rich "worm manure". Vermicompost (vermi-compost) is the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast.
Worms actively digest the solid organic material. Over time, an equilibrium is reached in which the volume digested by a stable population of worms is equal to the input volume of solid waste. Seasonal and environmental factors (such as temperature) and variable influent volumes can cause buildup of solid waste as a pile.
Worms Eat My Garbage: How to Set Up & Maintain a Worm Composting System is a book by Mary Appelhof self-published in 1982 under the company name Flower Press. The book is still held as seminal reading in the field of vermicomposting .
It facilitated the recycling of all recyclable MSW and set up vermicomposting for the organic waste through a Zero Solid Waste Center. This project achieved 97% household MSW recycling and earned the Exnora-PepsiCo partnership a Golden Peacock Award for Innovation in 2006 and a UNICEF Model Project citation in 2008.
The two broad categories of organic solid waste are green and brown. Green waste is generally considered a source of nitrogen and includes pre- and post-consumer food waste, grass clippings, garden trimmings, and fresh leaves. [1] Animal carcasses, roadkill, and butcher residue can also be composted, and these are considered nitrogen sources. [30]
Vermicomposting: Utilising earthworms for composting organic material; Vermiculture: the commercial rearing of earthworms to be used for other processes e.g. fishing; Vermitechnology includes the study and commercial application of technologies that utilise earthworms for degrading waste organic materials for sanitation and agricultural re-use. [1]
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He also conducted a project for the Environment and Forests Department of the Government of Tamil Nadu state for implementing vermicomposting in 50 schools in Chennai, and delivered several lectures to more than 200 schools in India and abroad on environmental awareness, solid waste management and vermicomposting.
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