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Question : The nitrogen is present in the atmosphere in huge amount but plants fail to utilize it . Why ?

Answer»

Solution :Though NITROGEN is abundant in atmosphere, plants does not have the ABILITY to directly absorb the MOLECULAR nitrogen `(N_2)` in atmosphere. So it has to be converted to ABSORBABLE from like NITRATES `(NO_3^-)` and nitrates `(NO_2^-)` by nitrogen fixation. So that they can be utilised by plants.


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