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प्रश्न
Ravi is a farmer; he rears many cattle in his farm. His field has many bio wastes. Advise Ravi how to change this bio waste to compost by using vermi -composting techniques. Explain the benefits of vermi castings.
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उत्तर
- A cement tub is to be constructed to a height of 2’A feet and a breadth of 3 feet.
- Put the Bio-wastes in the cement tub with 5 cm height.
- Add few earthworms with the Bio-waste.
- Then add sawdust, or coir waste and husk on the top of Bio-wastes.
- Then add sand to form a layer of 3 cm.
- Then add garden waste to the layer of sand.
- Then spray with water.
- All layers must be moistened with water.
- After 10 to 15 days, we get vermicompost manure.
Benefits:
- It is rich in all essential nutrients.
- It improves soil structure, texture and prevents soil corrosion.
- It contains valuable hormones like auxins, gibberellin, etc.
- It neutralizes soil protection.
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संबंधित प्रश्न
For construction purposes ______ cement is the most commonly used cement.
What are the differences between Modern cement and ancient cement?
Gypsum is added to the cement for ______.
What are the ingredients of the cement?
______ concrete is a composite material by mixing iron mesh with cement.
______ invented Portland cement.
Mortar is a paste of cement and sand mixed with water.
‘Portland’ cement resembled the high-quality building stones found in Portland, England.
What are the uses of cement?
What are the similarities between Modern cement and ancient cement.
