Longleaf need prescribed fire to help reduce competition.
(Longleaf; need; prescribed fire; to help reduce competition) Context(Longleaf need,List([0, 13))):(Longleaf; need prescribed fire to help; reduce competition) Context(Longleaf need to help,List([0, 37))):(Longleaf; need prescribed fire to help reduce; competition)
Longleaf need,List([0, 13)) Longleaf need to help,List([0, 37))
Longleaf Longleaf Longleaf
need need prescribed fire to help need prescribed fire to help reduce
prescribed fire to help reduce competition
reduce competition
competition