composting & vermicomposting

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Composting & Vermicomposting Composting & Vermicomposting 1 Martin Wafler, seecon international gmbh

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Page 1: Composting & Vermicomposting

Composting & Vermicomposting

Composting & Vermicomposting

1

Martin Wafler, seecon international gmbh

Page 2: Composting & Vermicomposting

Composting & Vermicomposting

Find this presentation and more on: www.sswm.info.

Copy it, adapt it, use it – but acknowledge the source!CopyrightIncluded in the SSWM Toolbox are materials from various organisations and sources. Those materials are open source. Following the open-source concept for capacity building and non-profit use, copying and adapting is allowed provided proper acknowledgement of the source is made (see below). The publication of these materials in the SSWM Toolbox does not alter any existing copyrights. Material published in the SSWM Toolbox for the first time follows the same open-source concept, with all rights remaining with the original authors or producing organisations.

To view an official copy of the the Creative Commons Attribution Works 3.0 Unported License we build upon, visit http://creativecommons.org/licenses/by/3.0. This agreement officially states that:You are free to:

• Share - to copy, distribute and transmit this document   • Remix - to adapt this document. We would appreciate receiving a copy of any changes that you have made to improve this

document. Under the following conditions:

• Attribution: You must always give the original authors or publishing agencies credit for the document or picture you are using.

DisclaimerThe contents of the SSWM Toolbox reflect the opinions of the respective authors and not necessarily the official opinion of the funding or supporting partner organisations. Depending on the initial situations and respective local circumstances, there is no guarantee that single measures described in the toolbox will make the local water and sanitation system more sustainable. The main aim of the SSWM Toolbox is to be a reference tool to provide ideas for improving the local water and sanitation situation in a sustainable manner. Results depend largely on the respective situation and the implementation and combination of the measures described. An in-depth analysis of respective advantages and disadvantages and the suitability of the measure is necessary in every single case. We do not assume any responsibility for and make no warranty with respect to the results that may be obtained from the use of the information provided. 

Copyright & Disclaimer

Page 3: Composting & Vermicomposting

Composting & Vermicomposting

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Contents

1. Composting2. Vermicomposting3. Applicability4. Advantages and disadvantages

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Page 4: Composting & Vermicomposting

Composting & Vermicomposting

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4

Composting

Page 5: Composting & Vermicomposting

Composting & Vermicomposting

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5

Why composting?1. Composting

• about 70 % of municipal waste is normally organic• organic waste can cause problems of smell, leachate, gas, and

stray animals in landfills• recycling at source is most economic and environment friendly

method of waste management• simple methods available• compost is valuable resource for farmers• composting at source keeps inorganic waste clean and makes

it easier for recycling

Page 6: Composting & Vermicomposting

Composting & Vermicomposting

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6Source: adapted from ENPHO

• process of decomposition of organic waste by micro-organism

• natural process (be made faster and more effective by mixing various types of waste and adjusting moisture, temperature and aeration)

• contains NPK and other plant nutrients including micro-organisms

steps of composting: • prepaeration (converting waste

into raw material)• production of compost• marketing

Concept1. Composting

Page 7: Composting & Vermicomposting

Composting & Vermicomposting

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7Source: adapted from ENPHO

• waste collection• sorting into organic and inorganic• reduce size if necessary• adjust moisture content• starters/additives• adjust C:N ratio

Preparation1. Composting

Page 8: Composting & Vermicomposting

Composting & Vermicomposting

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8Source: adapted from ENPHO

C/N-ratio in various substrates1. Composting

Page 9: Composting & Vermicomposting

Composting & Vermicomposting

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9Source: adapted from ENPHO

Compost preparation1. Composting

• place prepared waste in piles, windrows, chamber or bins • turn the compost regularly or arrange other ways to aerate the

waste• regularly monitor temperature & moisture

Page 10: Composting & Vermicomposting

Composting & Vermicomposting

Find this presentation and more on: www.sswm.info.

10Source: adapted from ENPHO

Temperature during composting process1. Composting

Page 11: Composting & Vermicomposting

Composting & Vermicomposting

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11Source: adapted from ENPHO

Finishing & Marketing1. Composting

• screening & packaging• marketing strategy

◦ product- quality- packaging

◦ price- main distributor- Consumer

◦ place- distribution network

◦ promotion- mass communication- interpersonal

communication

Page 12: Composting & Vermicomposting

Composting & Vermicomposting

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12

Home composting options1. Composting

Source: adapted from ENPHO

Page 13: Composting & Vermicomposting

Composting & Vermicomposting

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13

Composting at community & municipal level1. Composting

Page 14: Composting & Vermicomposting

Composting & Vermicomposting

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14Source: adapted from ENPHO

• separate waste at source. Glass in the waste can result in injuries

• ensure proper C/N-ratio & chop waste in small pieces

• ensure proper amount of water and air to avoid smell

• prepare and implement proper marketing strategy (most compost projects fail because of poor marketing)

• regularly monitor composting process

Important points to remember1. Composting

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Composting & Vermicomposting

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15

Vermicomposting

Page 16: Composting & Vermicomposting

Composting & Vermicomposting

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16

2. VermicompostingConcept

Source: http://www.yelmworms.com/_images/vermicomposting.gif

Page 17: Composting & Vermicomposting

Composting & Vermicomposting

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17

2. VermicompostingHow to do at home

Source: adapted from ENPHO

• prepare vessel or bin• add 2 inches (5 cm) of bedding materials• add worms• cut waste into small pieces and put in the

bin• keep bin covered with a moist cloth• put bin away from direct sunlight• regularly check moisture• harvest vermicompost every 3 to 4 months• store harvested compost for 2-3 weeks and

then remove the young worms

Page 18: Composting & Vermicomposting

Composting & Vermicomposting

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18

3. ApplicabilityComposting & vermicomposting• at source management of wet organic waste at household,

community, and/or city level

Page 19: Composting & Vermicomposting

Composting & Vermicomposting

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19

Composting

Disadvantages:•waste segregation required

4. Advantages and disadvantages

Vermicomposting

Advantages:•see above•selling of worms

Disadvantages:•maintain proper environmental conditions for worms

Advantages:•recycling at source•economic and environment friendly waste management•simple methods available•compost is valuable resource for gardeners/farmers

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Composting & Vermicomposting 20

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