Microbes in Human WelfareHard
Question
Azolla is used as a biofertilizer because it
Options
A.multiplies very fast to produce massive biomass
B.has association of nitrogen-fixing Rhizobium
C.has association of nitrogen-fixing Cyanobacteria
D.has association of mycorrhiza
Solution
Azolla, has cyanobactaria which is the nitrogen fixing bacteria. Due to this Azolla is able to fix the nitrogen as nitrates, thereby making it avatlable to plants in the soluble form of nitrogen.
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