Assertion: lignin | /r/PartOf | to 24% of the composition
Facets:
value: in softwood
type: LOCATION
value: in hardwood
type: LOCATION
Source sentences:
text: In hardwood, lignin makes up 16% to 24% of the composition and 25% to 31% in softwood (Sjöström 1993; Klemm et al. 2002).