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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 6

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. - Science

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Question

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.

Answer in Brief

Solution

  1. A cement tub is to be constructed to a height of 2’A feet and a breadth of 3 feet.
  2. Put the Bio-wastes in the cement tub with 5 cm height.
  3. Add few earthworms with the Bio-waste.
  4. Then add sawdust, or coir waste and husk on the top of Bio-wastes.
  5. Then add sand to form a layer of 3 cm.
  6. Then add garden waste to the layer of sand.
  7. Then spray with water.
  8. All layers must be moistened with water.
  9. After 10 to 15 days, we get vermicompost manure.

Benefits:

  1. It is rich in all essential nutrients.
  2. It improves soil structure, texture and prevents soil corrosion.
  3. It contains valuable hormones like auxins, gibberellin, etc.
  4. It neutralizes soil protection.
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Chapter 3: Chemistry in Everyday Life - Evaluation [Page 45]

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Samacheer Kalvi Science - Term 3 [English] Class 6 TN Board
Chapter 3 Chemistry in Everyday Life
Evaluation | Q X. | Page 45
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