Some blue green algae can be used as biofertilizer as they are
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BGA is used as biofertilizer because they are nitrogen fixer.
Explanation:
- Biofertilizer is a substance that contain living micro-organism which when applied to plant, seed surface and soil , promote plant growth by increasing the supply of nutrient to the host plant.
- Some BGA like Anabaena, Nostoc are used as a biofertilizer because they have the potential to fix the atmospheric nitrogen.
- They convert atmospheric nitrogen into ammonia and provide it to the host plant.
- Nitrogen is helpful to the crops. this improve the yield of crops .
- For this reason BGA is used as a biofertilizer.
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