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Agriculture
UPPCS

Consider the following organisms. 1. Agaricus, 2. Nostoc, 3. Spirogyra. Which of the above is/are used as bio-fertilizer/fertilizers?

(A) 1 and 2
(B) Only 2
(C) 2 and 3
(D) Only 3

Important Facts

  • Nostoc is used as a bio-fertilizer.

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