what is the function of blue green algae?
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Cyanobacteria play an important role in maintenance and build up of soil fertility, consequently increasing rice growth and yield as a natural biofertilizer. Blue green algae are photosynthetic nitrogen fixers and are free living.
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Blue-green algae, or cyanobacteria (Fig. 13.17), occur commonly in all natural waters, where they play an important role in the natural cycling of nutrients in the environment and the food chain.
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