Farmers have reported 50% higher yield of rice by using biofertilizer – McqOptions

MCQOPTIONS

1.	Farmers have reported 50% higher yield of rice by using biofertilizer [CBSE PMT 1998]
A.	Azolla pinnata
B.	Legume-Rhizobium symbiosis
C.	Cyanobacteria
D.	Mycorrhiza
Answer» B. Legume-Rhizobium symbiosis

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