What is the principle underlying

Question:

What is the principle underlying the use of cyanobacteria in agricultural fields for crop improvement?

Solution:

Cyanobacteria are capable of fixing nitrogen with the help of specialised cells called the heterocyst. They enrich the soil fertility. Hence BGA’s are used in agricultural

fields. E.g. Colonies of Nostoc and Anabaena grow in Paddy field.

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