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प्रश्न
What are Composting ? Explain its Process
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उत्तर
Composting is an effective way of disposing of wet garbage from households and biomass wastes from gardens.
The processes involves in composting are :
- Vegetable peels, fruit peels, food-scraps, twigs, dry leaves, grass clippings can be dumped into a pit or a big bin.
- Then soil is spread over this pile.
- Earthworms can be introduced into the compost pit to decompose the organic matter which enrich the compost. This method is called vermi-composting.
- The soil microbes break down the organic matter.
- The compost obtained is rich organic manure for the plants in the garden.
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संबंधित प्रश्न
We often observe domestic waste decomposing in the bylanes of our homes. List four ways to make the residents aware that the improper disposal of wastes is harmful to the environment and also for their own health.
Write note.
Industrial waste
Give a reason for the following :
Landfills are coming up fast near large cities.
Municipality provides two types of dustbins for garbage collection. One coloured with blue colour and other with green colour. From following wastes which you will put in the which dustbin?
Plastic materials, metals and glass items, wastes of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and bones.
Can you make something useful of these waste material?Powder containers, cold-drink cans, plastic bottles, shoe-box.
Which kind of garbage is not converted into compost by the redworms?
What do you do with the leftover food at home?
Which of the following is the best way for disposal of vegetable and fruit peels?
Read the items mentioned in Columns I and II and fill in the related process in the Column III
| Column I | Column II | Column III | |
| (a) | Organic waste | Earthworms | (i) ______ |
| (b) | Garbage | Dig pit and fill with garbage |
(ii) ______ |
| (c) | Old newspaper | Paper bags | (iii) ______ |
Some wastes are given below:
- Garden waste
- Ball point pen refills
- Empty medicine bottles made of glass
- Peels of fruits and vegetables
- Old cotton shirt
The non-biodegradable wastes among these are ______.
