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प्रश्न
What are Composting ? Explain its Process
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
Why are some substances biodegradable and some non-biodegradable?
Differentiate between degradable and non-degradable type of waste.
Give a reason for the following :
Landfills are coming up fast near large cities.
Give two-ecofriendly ways of treating kitchen wastes.
Discuss:
Is garbage disposal the responsibility only of the government?
To what use can you put the following kind of garbage and how?
dry leaves collected in a garbage
Put a tick (√) against the garbage items given in Table 16.1 which could be converted into manure. Put a cross (×) against the others.
Garbage Items | Make manure or not | |
(i) | Eggshells | |
(ii) | Straw | |
(iii) | Dry flowers | |
(iv) | Pebbles | |
(v) | Broken pieces of glass | |
(vi) | Nails and screws | |
(vii) | Plastic bangles | |
(viii) | Leftover food | |
(ix) | Steel broken vessel | |
(x) | Dead animals |
Write 3 sentences on what comes to your mind when you chance to see the following.
A cow eating a polythene bag.
Choose the odd one out from the following terms and name the category to which the others belong: