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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ६

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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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.

संक्षेप में उत्तर

उत्तर

  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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अध्याय 3: Chemistry in Everyday Life - Evaluation [पृष्ठ ४५]

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सामाचीर कलवी Science - Term 3 [English] Class 6 TN Board
अध्याय 3 Chemistry in Everyday Life
Evaluation | Q X. | पृष्ठ ४५
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