Assertion: legume | /r/CapableOf | form root nodules
Facets:
value: to fix atmospheric nitrogen
type: PURPOSE
Source sentences:
text: Legumes play an important role in the terrestrial nitrogen cycle regardless of whether they form root nodules (Sprent, 2001).
text: Many legumes form root nodules to fix atmospheric nitrogen in a symbiotic relationship with the soil bacteria 'rhizobia'.