Available Answers

1. 1.

   Define vermicompost.

2. 2.

   What do you mean by biofertilizer?

3. 3.

   Why is organic matter important for crop production?

4. 4.

   Why is excess use of fertilizers detrimental for environment?

5. 5.

   Define green manure and give an example.

6. 6.

   What are weeds? Write the name of any two weeds.