______ is called as farmer’s best friend.

Fill in the Blanks

Earthworm is called as farmer’s best friend.

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Chapter 3: Chemistry in Everyday Life - Evaluation [Page 44]

Chapter 3 Chemistry in Everyday Life
Evaluation | Q II. 3. | Page 44

Damaged seeds would _________ on top of water.

What is the advantage of storing grain in wattle and daub baskets?

Analogy

Urea : Inorganic fertilizer: Vermi compost: _______.

Why earthworm is called as farmer’s friend?

Fertilizers containing only plant or animal-based materials or those synthesized by microorganisms are called inorganic fertilizers.

Define Principal nutrients.

All the plants get their ______ from the soil.

Which of the following is not true for fertilisers?

The process of loosening and turning of soil is called ______.