Mention the role of cyanobacteria as a biofertilizer.
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It act as natural biological nitrogen fixer in cyano plamt
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The role of Cyanobacteria as a bio-fertilizer:
- Cyanobacteria are a phylum of bacteria that obtain their energy through photosynthesis and are the only photosynthetic prokaryotes that are able to produce oxygen.
- Cyanobacteria live freely in root nodules of leguminous plants and they fix atmospheric nitrogen, acting as a bio-fertilizers especially in paddy fields.
- Examples are Nostoc, Anabena.
- Besides this they increase organic matter of the soil because of their photosynthetic activity.
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