Q. 30 Why are blue-green algae not popular as biofertilisers?

Blue-green algae add organic matter tothe soil and increase its erty sil these are not

Popular as bioletiises. This is due to several constants that mit the appication or

Implementation of the biofertliser technology. The constraints may be environmental

technological, nfrasttuctural, nancial, unawareness, qualty, marketing etc.