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in Biology by (138k points)
Consider the following organisms:

1. Agaricus

2. Nostoc

3. Spirogyra

Which of the above is/are used as biofertilizer / biofertilizers?

(a) 1 and 2 (b) 2 only (c) 2 and 3 (d) 3 only

1 Answer

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Best answer
(b) Nostoc fix atmospheric nitrogen and are used as inoculations for paddy crop.

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