<http://webisa.webdatacommons.org/82174367>	<http://www.w3.org/ns/prov#value>	"output per unit input of energy, nutrients, and other resources." .
<http://webisa.webdatacommons.org/prov/62157316>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/82174367> .
<http://webisa.webdatacommons.org/82174367>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/82174367>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nap.edu> .