Document Detail


Vermicomposting of different forms of water hyacinth by the earthworm Eudrilus eugeniae, Kinberg.
MedLine Citation:
PMID:  12003318     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Six-month long trials were conducted on different vermireactors fed with one of the following forms of water hyacinth: (a) fresh whole plants, (b) dried whole plants, (c) chopped pieces of fresh plants, (d) 'spent' weed taken from reactors after extracting volatile fatty acids (VFAs), (e) precomposted fresh weed and (f) precomposted spent weed. The first four forms were studied with and without cowdung. The experiments revealed three clear trends (i) of the various forms of the weed assessed, the precomposted forms were the most favoured as feed by Eudrilus eugeniae, Kinberg, while the fresh whole form was the least favoured, (ii) the different forms of spent weed were favoured over the corresponding forms of fresh weed, and (iii) blending of cowdung (approximately 14% of the feed mass) with different forms of water hyacinth had a significant positive impact on vermicast output, growth in worm zoomass, and production of offspring relative to the corresponding unblended feed. In all reactors, the 'parent' earthworms steadily grew in size over the six-month span, and produced offspring. There was no mortality. The experiments thus confirm that water hyacinth can be sustainably vermicomposted in any of the forms with E. eugeniae.
Authors:
S Gajalakshmi; E V Ramasamy; S A Abbasi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Bioresource technology     Volume:  82     ISSN:  0960-8524     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2002 Apr 
Date Detail:
Created Date:  2002-05-10     Completed Date:  2002-12-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  165-9     Citation Subset:  IM    
Affiliation:
Centre for Pollution Control and Energy Technology, Pondicherry University, Kalapet, India.
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MeSH Terms
Descriptor/Qualifier:
Angiosperms / metabolism*
Animal Feed
Animals
Biodegradation, Environmental
Bioreactors
Biotechnology
Manure
Oligochaeta
Time Factors
Chemical
Reg. No./Substance:
0/Manure

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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