Farmers have reported $50\%$ higher yield of rice by using which biofertilizer?

  • A
    Azolla pinnata
  • B
    Legume-Rhizobium symbiosis
  • C
    Cyanobacteria
  • D
    Mycorrhiza

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Similar Questions

The main source of biofertilizers is:

Give scientific reasons: The pressure on the use of organic farming and biofertilizers has increased.

Select the incorrect option from the following.

Biofertilizers include:

Which aquatic fern is considered a very good biofertilizer?

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