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Question
Azolla is used as biofertiliser because it ______.
Options
has association of mycorrhiza
multiplies at faster rate to produce massive biomass
has association of nitrogen fixing Rhizobium
has association of nitrogen fixing cyanobacteria
MCQ
Fill in the Blanks
Solution
Azolla is used as biofertiliser because it has association of nitrogen fixing cyanobacteria.
shaalaa.com
Microbes as Biofertilizers
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