Why are blue-green algae not popular as biofe | vedclass

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(B) Blue-green algae (cyanobacteria) are not widely popular as biofertilisers because they can cause algal blooms in polluted water bodies,leading to

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They cause algal blooms in polluted water bodies.

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(B) Blue-green algae (cyanobacteria) are not widely popular as biofertilisers because they can cause algal blooms in polluted water bodies,leading to eutrophication.While they are excellent nitrogen fixers,their tendency to overgrow in nutrient-rich water makes them problematic in certain ecological contexts.Only those blue-green algae that contain specialized cells called heterocysts are capable of $N_{2}$ fixation.

Why are blue-green algae not popular as biofertilisers?

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