Assertion: lignin's role | /r/HasProperty | important
Facets:
Source sentences:
text: Lignin from crop residues plays an important role in the soil organic carbon cycling, as it constitutes a recalcitrant carbon pool affecting nutrient mineralization and carbon sequestration.
text: A study on rice concluded that lignin played an important role in lodging tolerance but suggested that its distribution and density were more important than its concentration .
text: Lignin is considered to play an important role in C sequestration in soils  and is typically considered a recalcitrant carbon pool in models estimating the CO 2 release from SOM decomposition .
text: Lignin plays an important role in the process of conducting water in vascular plant stems.
text: Lignin has been shown to play an important role in pathogen resistance (Miedes et al., 2014; Zhao and Dixon, 2014), and it plays a pivotal role in allowing the plant to transport water.