If they get tall enough, they block out sunlight to small trees as well, reducing photosynthesis and weakening tree growth.
(they; get; tall enough) (they; block out; sunlight; to small trees; as well) Context(they block out,List([25, 39))):(they; block out sunlight reducing; photosynthesis)
they block out,List([25, 39))
they they they
get block out block out sunlight reducing
tall enough
sunlight to small trees as well
photosynthesis