Which of the following is the pair ofbiofertilisers? – McqOptions

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1.	Which of the following is the pair ofbiofertilisers?
A.	Azolla and blue green algae
B.	Nostoc and legume
C.	Rhizobium and grasses
D.	Salmonella & E. coli
Answer» B. Nostoc and legume

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