Investigating efficiency of Lampito mauritii (Kinberg) and Perionyx ceylanensis Michaelsen for vermicomposting of different types of organic substrates

Natchimuthu Karmegam () and Thilagavathy Daniel
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Natchimuthu Karmegam: Vinayaka Missions University
Thilagavathy Daniel: Gandhigram Rural University

Environment Systems and Decisions, 2009, vol. 29, issue 3, 287-300

Abstract: Abstract The vermicomposting ability of Lampito mauritii (Kinberg) and Perionyx ceylanensis Michaelsen was evaluated by using three different types of organic substrates such as leaf litter of Polyalthia longifolia, Pennisetum typhoides cobs (pearl millet) and a weed, Rottboellia exaltata (whole plant except the roots) in combination with cowdung (1:1). Vermicomposting studies (120 days) conducted to optimize the number of worms required for efficient conversion based on the reduction of C/N ratio, percentage decomposition of organic substrates, total number and biomass of earthworms recovered from the vermibed substrates clearly showed that vermibeds with 4 kg of organic materials can hold about 60–80 L. mauritii and about 90–120 P. ceylanensis for efficient decomposition. The percentage decomposition of each organic substrate treated with different numbers of L. mauritii (20, 40, 60, 80 and 100 earthworms) and P. ceylanensis (30, 60, 90, 120 and 150) showed significant difference (P

Keywords: Vermicomposting; Decomposition; Lampito mauritii; Perionyx ceylanensis; Worm biomass; C:N ratio (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/s10669-008-9195-z

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