______ is called as farmer’s best friend.

रिक्त स्थान भरें

Earthworm is called as farmer’s best friend.

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अध्याय 3: Chemistry in Everyday Life - Evaluation [पृष्ठ ४४]

अध्याय 3 Chemistry in Everyday Life
Evaluation | Q II. 3. | पृष्ठ ४४

Write a paragraph in your own words of the following.

Sowing

Analogy

Urea : Inorganic fertilizer: Vermi compost: _______.

Give an example for inorganic fertilizer.

Why earthworm is called as farmer’s friend?

______ help plant grow and restore soil fertility.

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

Analogy:

Used as fertilizer: Gypsum:: Helps nerves function properly: ______.

Define Biofertilizer.

State whether the following statement is True or False. Correct the false statement.

Cells of root nodules of leguminous plants fix nitrogen

______ is a method of sowing seeds.