<http://webisa.webdatacommons.org/290519590>	<http://www.w3.org/ns/prov#value>	"Researchers can introduce materials such as site-specific soils and vegetation to more closely mimic the environments they wish to test." .
<http://webisa.webdatacommons.org/prov/285223108>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/290519590> .
<http://webisa.webdatacommons.org/290519590>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pnnl.gov> .
<http://webisa.webdatacommons.org/290519590>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .