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प्रश्न
Why earthworm is called as farmer’s friend?
टिप्पणी लिखिए
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उत्तर
Earthworms take organic wastes as food and produce compost castings. So earthworms are known as Farmers’ Friends because of the multitude of services they provide to improve soil health and consequently plant health.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Chemistry in Everyday Life - Evaluation [पृष्ठ ४५]
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संबंधित प्रश्न
Write a paragraph in your own words of the following.
Sowing
What is done to avoid the damage to crops?
What changes has modern technology brought about in the methods of farming?
______ is called as farmer’s best friend.
______ fertilizer is ecofriendly.
Analogy
Urea : Inorganic fertilizer: Vermi compost: _______.
Analogy:
Organic fertilizer: Compost:: Inorganic fertilizer: ______.
Analogy:
Used as fertilizer: Gypsum:: Helps nerves function properly: ______.
Define Principal nutrients.
- Name the tool used with a tractor for sowing seeds in a field.
- What are the advantages of using this tool?
