Question

what are leguminous plants?

Answer 1

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Here is your answer
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<> Leguminous plants are grown alternatively with the main crop so that the fertility of the soil is improved.

<> The roots of these plants are used to undergo nitrogen fixation.

# What is nitrogen fixation?

>> Nitrogen fixation is a part of the nitrogen cycle, where the atmospheric nitrogen is converted into ammonia and then into nitrogen. 

<> Nitrogen fixation helps in plants to absorb nitrogen and undergo photosynthesis. Plants use nitrogen and is a macronutrient, thus nitrogen fixation plays an important role, which is done by leguminous plants.
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Answer 2

These plants are specially abled to use atmospheric nitrogen.This happens only with the ‘symbiosis’ of such plants with bacterial members called nitrogen- fixing bacteria like Nostoc,Anabaena,Azotobacter,Azospirullum etc. These bacteria can fix the atmospheric nitrogen in a way that is easily available to such plants I.e; their symbionts.