Nitrogen is fixed through

Which of the following association fix nitrogen through non-nodulation?

Which of the following association fix nitrogen through non-nodulation?

Assertion : Atmospheric nitrogen is always fixed by nitrogen-fixing micro organisms. Reason : They convert ammonia present in atmosphere to nitrites and nitrates.

Which of the following associations fixes nitrogen through non- nodulation?

Assertion. Farmers grow a leguminous crop and plough it back in the field Reason. Leguminous plant fix atmospheric nitrogen through a symbiotic nitrogen fixing bactria-Rhizobium.

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct for this process of nitrogen fixation ?