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  • Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop. (a) Recommend two microbes that can enrich the soil with nitrogen. (b) Why do leguminous crops not re

Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop.

(a) Recommend two microbes that can enrich the soil with nitrogen.

(b) Why do leguminous crops not require such enrichment of the soil ? 

 

 

 

 
 
 
 
 

Answers (1)

a)  Nitrogen-fixing bacteria like Azospirillum and Azotobacter fix atmospheric nitrogen while living freely in the soil and helps in enriching the nitrogen content of the soil. 


b) The nodules on the roots of leguminous plants are formed by the symbiotic association of Rhizobium. These bacteria fix atmospheric nitrogen into organic forms, which is used by the plant as nutrient. Therefore leguminous plants does not require such enrichment of the soil. 

Posted by

Priyanka Kumari

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