Root nodule Formatio||Requirements for N2 fixation

N_(2) fixation is

N_(2) fixation is

What are requirement of nitrogen fixation ?

Root nodules are founds in

During root nodule formation in legumes:

Root nodules in leguminous plants:

Name the most crucial enzyme found in root nodules for N_(2) - fixation ? Does it require a special pink coloured pigment for its functioning ? Elaborate.

Root nodules for nitrogen fixation of a nonleguminous trees possess