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Rich Manure from Waste
An easy vermi-composting initiative to process wet garbage and reduce the load on dumping grounds while also creating a greener and healthier city
 
Metros, like Mumbai, face a major issue of garbage disposal. Mumbai produces approximately 6,000 tonnes of garbage every day. Municipal bodies deal with this by transporting the garbage collected everyday to long distances to designated dumping grounds. The massive fire at Mumbai’s Deonar dumping ground, which resulted in toxic pollution of nearby localities, has finally turned the spotlight on this serious issue. 
 
Coupled with the prime minister’s call for Swachh Bharat, there is growing awareness among people about the need to process the garbage they generate and reduce what goes to the dumping grounds—after all, the space for land-fills is also depleting fast. There are several aspects to this burgeoning problem of municipal waste disposal—segregation of garbage, its treatment and reduction. But the first step is to segregate organic and inorganic waste and process the former in-house, to reduce pressure on dumping grounds. 
 
Prakash Dandekar has done just that, by pioneering, with Kalpataru a simple and easy to adopt solution to the issue of organic waste. This includes kitchen waste, horticulture waste, paper waste, etc, and inorganic waste including glass, metal scrap, thermocol, plastic waste, etc. The latter is invariably produced in factories run by human beings, while the former belongs to nature and can be returned to nature. How?
 
“Vermi-compost is the process of using surface layer (epigenic) earthworms and micro-organisms to convert organic food waste into dark, nutrient-rich manure,” points out Mr Dandekar, who has come up with a solution to make this process effortless.
 
For those interested in the science behind this process, Mr Dandekar explains that there are some 3,000 species of earthworms. The main species useful for vermi-composting are Eisenia Fetida and Eudrilus Euginie. They live close to the surface of the soil and are useful for composting. They feed on decomposed organic material. Their life span is two years, on an average. They grow and reproduce quickly. 
 
Composting earthworms prefer decomposed food, points out Mr Dandekar, which has high nutrients and relatively low carbon. Ideal food includes decomposed fruits, vegetables, kitchen waste, some animal manure, garden waste, paper, corrugated boxes, etc. Worms do not prefer materials with high content of ammonia, nitrogen, fats, oils, etc. These include onion, lemon, garlic, etc. These earthworms eat only dead and decaying food. They cannot eat live plants or any other live material.
 
“Composting earthworms eat food which is as much as their own body weight”, jokes Mr Dandekar. Earthworms release micro-organisms from their body, such as bacteria, algae and fungi. These micro-organisms facilitate decomposing of the organic waste. Within 90 days, organic waste can be converted into compost (manure) with the help of earthworms. Vermi-culture is composed of earthworms, cocoons and baby worms. 
 
Mr Dandekar says, “Use any container with proper aeration of minimum 1CFT (cubic foot) in volume. Put 2-3-inch layer of coconut flax or sugarcane bagasse or dry leaves at the bottom. This material has good water-holding capacity. On top of this layer, put 2-3-inch layer of decomposed cow dung. Next, put 2kg of vermi-culture containing around 50-70 earthworms. Sprinkle water from the top so that all the layers are properly soaked. Daily, add wet garbage of about 1kg. Sprinkle water every alternate day. Put a tray below the container, to collect the extra drained water. Stir the added garbage twice a week. As the garbage decomposes, its volume reduces and it settles down. About six months later, the container will be full. Stop adding wet garbage and water for 2-3 days. Slowly, remove the top layer which is not yet decomposed. Below that you will see the compost formed.”
 
The impact is magical. Call or write to Mr Dandekar to get his little magic box, shown in the image and start composting your own waste, to take the pressure off the municipal dumping grounds. 
 

 

User

COMMENTS

Silloo Marker

9 months ago

Mr. Dandekar is doing immense service to society by sharing his little "magic box"to compost waste.

It is so easy to do composting at home and help the city reduce its waste. I have tried composting myself but without worms, just works by microbial activity. A full-sized drum with holes never seemed to fill up as the wet garbage reduces in size and settles down so fast. The same method described by Mr. Dandekar were used as layering except for dung which may be rather hard to city-bred people to handle.Just layers of sugar-cane bagasse at the bottom and then wet waste with a handful of soil and dry leaves is enough if watered lightly. The important thing is to keep the bin cool and wet so the microbes don't die and keep doing their work.
Thanks, Mr. Dandekar, your idea of a small box does seem more practical for smaller homes.

Anand Vaidya

9 months ago

I have been composting since 2011. I compost kitchen and garden waste, since we are vegetarians, I don't have to deal with meat/egg waste.

I'd highly recommend aerobic composting, a high tech way of saying, let kitchen/garden waste be converted to rich manure using aerobic bacteria alone.

I find aerobic composting (versus vermi & non-aerobic) extremely easy and takes no more than 5 mins a day.

You can watch videos on youtube or get in touch with http://www.dailydump.org which is also spearheading aerobic composting (Bangalore etc)

bharati

9 months ago

First: Carry a bag with you always so you NEVER have to ask for one.
If somehow we do get plastic/paper bags, the clean ones go to veg vendors for reuse.

Reduce waste at the source by not buying rubbish e.g. water in plastic bottles. Always asks for filtered tap water and refuse carcinogenic water/ drink from plastic bottles. (India spends money for the imported oil).

Please ensure all garbage is disposed off ecologically e.g. separated neatly at source into paper, plastic, metal foil and given to ragpickers for recycling.

We are an almost zero garbage family for decades.

Write to detergent companies to stop adding perfume, plastic beads and colours to detergent.

National Insurance 'ready' with budgetary proposal of listing in bourses
Kolkata : The National Insurance Company on Wednesday said it is "ready" if the government starts the process of listing of state-run general insurance companies in the stock exchanges.
 
"In principle, the government announced that government-owned companies would be up for listing. We are ready if they want to start the process. It's the government's call, they have to take it," chairman-cum-managing director K. Sanath Kumar said on the sidelines of an interactive session organised by MCC Chamber of Commerce & Industry.
 
"Our company is fully owned by the government. So there has never been any need for valuation so far. But for listing, we have to transform our company into a public company owned by the government. For which we have to have a valuation," he said.
 
Presenting the budget for 2016-17, union Finance Minister Arun Jaitley had announced that the general insurance companies owned by the government would be listed in the stock exchanges to promote transparency and accountability.
 
Sanath Kumar said the face value of shares needs to be brought down to attract participation of retail investors.
 
"There will be long procedures to follow and all including the brand equity should be valued. If the process starts, it usually takes about 9-10 months to be completed," he said when asked about the expected time by which the process could be completed. 
 
He also said the company has no idea when the process would start but the government could start interacting after the budget session of parliament.
 
"The government would start interacting soon. Possibly, I think it will happen after the budget session, when they will have more time to deliver on these things, perhaps."
 
However, the company is facing challenges due to shortage of qualified professionals like surveyors available in the tier II and III cities. Due to this, claim settlements get delayed sometime, he said.
 
The general insurer collected Rs.11,200 crore total premium in the 2014-15 fiscal and is expecting to cross Rs.12,000 crore this year. "We are experiencing a subdued growth," he added. 
 
Disclaimer: Information, facts or opinions expressed in this news article are presented as sourced from IANS and do not reflect views of Moneylife and hence Moneylife is not responsible or liable for the same. As a source and news provider, IANS is responsible for accuracy, completeness, suitability and validity of any information in this article.

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