In $1885$,Frank discovered . . . . . . .

  • A
    mycorrhizae as biofertilizers.
  • B
    fungi as microbial herbicides.
  • C
    role of microbes as biocontrol agents of pests.
  • D
    role of microbes in sewage treatment.

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Similar Questions

$S$ - Statement: Organic fertilizers can lead to effective and pollution-free agriculture.
$R$ - Reason: Chemical fertilizers cause pollution.

The nitrogen-fixing microorganism associated with $Azolla$ in rice fields is .......

Which of the following is not useful as a biofertilizer?

Which of the following bacteria is free-living?

Which of the following is not a biofertilizer?

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