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Which of the following is a pair of biofertilizer?
Options
(a) Nostoc and legume
(b) Rhizobium and grasses
(c) Azolla and blue green algae
(d) Salmonella and Escherichia coli
Correct Answer:
Azolla and blue green algae
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
