Volume 7, Issue 4 (winter 2004)                   2004, 7(4): 61-69 | Back to browse issues page

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K. Hashemi Majd, M. Kalbasi, A. Golchin, H. Shariatmadari. Identifying “ Eisenia foetida”, a Native Compost Worm of Some North and Northwest Parts of Iran and Evaluation of its Ability in Vermicompost Production. Journal of Crop Production and Processing 2004; 7 (4) :61-69
URL: http://jcpp.iut.ac.ir/article-1-485-en.html
Identifying “ Eisenia foetida”, a Native Compost Worm of Some North and Northwest Parts of Iran and Evaluation of its Ability in Vermicompost Production
K. Hashemi Majd * , M. Kalbasi , A. Golchin , H. Shariatmadari
Abstract:   (29127 Views)
The ability of earthworms in recycling a wide range of organic solid wastes is well established. Only a few earthworm species are suitable for commercial vermicomposting. Two species, Eisenia foetida and Lumbricus rubellus, are common in temperate regions. Samples of earthworms were collected from manure pills and forest litter in North and Northwest of Iran. The samples were maintained in pots under greenhouse conditions. External morphological characteristics of mature worms were used in identifying earthworm species. These characteristics included: total number of body segments, numbers of clitellum and tubercula pubertatis (TP) segments, dorsal and external body color, body size, prestomium and prostomium shape, number of first segment with dorsal pore and patterns of clitellum and TP. All collected samples belonged to the species Eisenia foetida. Under incubation conditions in manure substrate (a moisture of 70% saturation at 24±2oC), each worm produced 1-2 cocoons daily and each cocoon contained 2-7 worm embryos. The collected earthworm samples showed a good ability in vermicomposting of manure, plant residues, and some organic industrial refuses. The C:N ratio decreased during the vermicomposting process, which indicates the improved stage of decomposition and the vermicompost stability.
Keywords: Compost worms, Eisenia foetida, Vermicompost, Organic wastes
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Type of Study: Research | Subject: General
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