Question

1) How do microorganisms increase soil fertility ?

Answer 1

Explanation:

They increase soil fertility by incorporating air, minerals and nitrogenous compounds. They contribute in increasing plant growth by providing essential elements, minerals that plants cannot utilize by their Owen. Microorganisms decompose organic matter to simpler form that can be easily uptake by plants.

Hope it helps you !

Answer 2

Answer:

They kill bacteria by which fertility is increased