Assertion: nodule's rhizobium | /r/HasProperty | fix
Facets:
value: both
type: MANNER
value: efficiently
type: MANNER
Source sentences:
text: A notable example is the Brazilian soybean crop, where careful selection of native varieties (from soils poor in organic nitrate) as well as indigenous rhizobia that are both competitive and efficiently fix nitrogen has led to the rejection of artificial fertilisers [].