question_answer 25)

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

Answer:

                   Cyanobacteria are used in. agricultural crop improvement because of their adicity to fixatmospheric nitrogen and make it available to the plants. This improves the yield of the crops and also reduces the cost of application of nitrogen fertilizers, e.g., Anabena and Nostoc.