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Question
Azolla gives a good biofertilizer when mixed with
Azolla gives a good biofertilizer when mixed with
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Solution
The correct option is D Blue-green algae
BGA and Azolla have known to be used for the rice cultivation and they are very good for increasing the crop yield and productivity as they supply the soil and the plant with enough nitrogen. They are known used together as the biofertilizers.
So, the correct option is 'Blue-green algae'
BGA and Azolla have known to be used for the rice cultivation and they are very good for increasing the crop yield and productivity as they supply the soil and the plant with enough nitrogen. They are known used together as the biofertilizers.
So, the correct option is 'Blue-green algae'
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