Farmers have reported over $50\%$ higher yields of rice by using which of the following biofertilizer
Farmers have reported over $50\%$ higher yields of rice by using which of the following biofertilizer
- [AIPMT 1993]
- [AIPMT 1998]
- [AIPMT 1999]
- A
Mycorrhiza
- B
Azolla pinnata
- C
Cyanobacteria
- D
Legume-Rhizobium symbiosis
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- [AIPMT 1996]
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