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  • Agricultural Biology: Plant Breeding, Biofertilizers and Pest Management
  • The aquatic fern, which is an excellent biofertiliser, is
Multiple choice

The aquatic fern, which is an excellent biofertiliser, is

  1. marsillia

  2. salvinia

  3. azolla

  4. pteridium

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Azolla is an aquatic fern that lives in a symbiotic relationship with the nitrogen-fixing cyanobacterium Anabaena azollae, making it an effective biofertilizer for paddy fields.

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