Question

crops.
13. How do leguminous plants help in fixing nitrogen of the air​

Answer 1

Answer:

They have breathing roots or pneumatophores

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Answer 2

Answer:

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Explanation:

In nature 72%of nitrogen present in the air in the form of N2. But not all organisms have the ability to absorbs nitrogen directly. Only few prokaryote can converts Diatomic nitrogen to ammonia. This ammonia converts to amino acids, protein. This protein is the major source of Nitrogen for all organisms which depends on plants.

In plants, only a specific group of plants called leguminous plants have the ability to convert atmospheric nitrogen in to ammonia. Because these plants get associated with the bacteria Rhizobium.