- Biofertilizers are substances containing living microorganisms that, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promote growth by increasing the supply or availability of primary nutrients to the host plant. - Cyanobacteria act as biofertilizers by fixing atmospheric nitrogen.
Which of the following micro organisms are used as biofertilizer?
Asked in UPPSC Upper Mains 2012 · Topic: Biofertilizers (Nitrogen-fixing Biofertilizers: Non-symbiotic/Free-living (e.g., Azotobacter, Azospirillum, Cyanobacteria/BGA))
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