Assertion: alder | /r/CapableOf | help provide additional nitrogen
Facets:
value: for the successional species
type: TRANSITIVE-OBJECT
value: as a pioneer species
type: MANNER
Source sentences:
text: As a result of this mutually beneficial relationship, alder improves the fertility of the soil where it grows, and as a pioneer species, it helps provide additional nitrogen for the successional species which follow.