Question

how are blue green alga and bacteria useful in fertily of soil

Answer 1

How are blue green alga and bacteria useful in fertily of soil ?
Ans. Blue green algae and bacteria are useful in increasing fertily of soil . They convert the atmospheric nitrogen to more useful form of nitrate for plants...... Increasing the soil's nitrogen content.....
Hope This Helps You......
Please Mark It Brainliest Answer......

.....
.....
.....

Answer 2

Some bacteria and blue green algaes are able to fix nitrogen from the atmosphere to to enrich soil with nitrogen and increase its fertility.These microbes are commonly called biological nitrogen fixers.