why are cyanobacteria used in agriculture fields for crop improvement?

Q. Cyanobacteria are used in agricultural fields for crop improvement because they cause

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

Q. Why are cyanobacteria considered useful in paddy fields?

Q.

1. Genes of two different crops are recombined to form hybrids of various crops

2. Applied biotechnology is used in agriculture field to improve yield and variety

Q. Assertion :- Crop production without use of chemical fertilizers is called organic farming.
Reason :- Cyanobacteria are autotrophic prokaryotes which are used as biofertilizers in paddy fields.