<http://webisa.webdatacommons.org/447083815>	<http://www.w3.org/ns/prov#value>	"Most cooperative extension services will ask you to combine your samples into one after removing grass, roots and other living matter." .
<http://webisa.webdatacommons.org/447083815>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/447083815>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<planetnatural.com> .
<http://webisa.webdatacommons.org/prov/310846140>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/447083815> .