vermicomposting of biowaste slides
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Vermicomposting of BiowasteMunicipal Solid Waste Management in Developing Countries
Dr. Christian Zurbrügg
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What is vermicomposting ?
- What worms?
- Worm lifecycl
- What waste?
- Technologies
- Small & large
- Examples
- Products
- Vermicompos
- Worms
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Eisenia Foetida
- Tiger worm, remanure worm,
Lumbricus rubellu
- Red worm
Eisenia Andrei
- Red tiger
Perionyx excavatu- Blue worm
Eudrilus eugeniae
- African nightc
Which worms are suitable ?
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© RJP Flickr
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Animation (full size)
Filename: Eisenia foetida life cycle 02
Format: mov
Sequence: whole animation
Keyword: Fit with Text
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YES
- Fruit and vege- Plant waste
- Bread, rice, st
NO
- Meat or fish w
- Fats (grease, o- Dairy product
- Salty or vinega
What waste is suitable ?
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Temperature : 15 –
Moisture: 70 – 85 %
pH: 7-8
Aeration
Shaded (do not lik
The suitable environment and operating conditions (1)
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Bulky, carbon rich
Density: 2.5 kg/m2
Feed particle size
- < 5 cm and sem
Feeding rate
- 50 % of worm m
- Layer of max 1
The suitable environment and operating conditions (2)
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Worm bins and bed
- Household leve- Medium scale
level
- Large scale fac
Worm windrows
Worm composting technologies
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Household size worm bins
C
a n O W o r m s
W
o r m
F a c t o r y
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T i m o t h y M u s s o n
Household size worm bins
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© Nicola Twilley, VermiComposter CF40
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© Nicola Twilley, VermiComposter CF40
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The products of vermicomposting
Vermicompost
- Nitrogen 1-2%
Worm Tea
- Leachate from
- High nutritive
Worms
- High in protein
- Medicinal prop
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Further reading
Manual of On-Farm
composting and VeGlenn Munroe Organic
Centre of Canada
Vermicompost, theorganic gold: A revAdhikary. Agricultu
(2012) Training Material o
and VermicompostServices Foundation
S
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Summary
Worms and life cyc
Environmental con
suitable for vermic
- Aerated, moist
- Daily feed: 50
weight per day
Examples of small facilities
Properties of prod
- Nutritive value
vermicompost
- Worms as anim