Which of the following is a new bio-fertilizers?

Green Blue Algae

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Nitrates

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Compost

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Farmyard manure

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Solution

The correct option is C Green Blue Algae
Blue Green Algae
Rhizobium, Azotobacter, Azospirillum and blue green algae(BGA) have been traditionally used as Biofertilizers. Rhizobiuminoculant is used for leguminous crops such as pulses. Azotobacter can be used with crops like wheat, maize, mustard, cotton, potato and other vegetable crops.

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