<http://webisa.webdatacommons.org/prov/20847369>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/89937881> .
<http://webisa.webdatacommons.org/89937881>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usda.gov> .
<http://webisa.webdatacommons.org/89937881>	<http://www.w3.org/ns/prov#value>	"Interpretive Summary: Use of poultry litter as soil amendment provides a source of plant available nutrients including nitrogen, phosphorus, and other minor elements such as copper, zinc, etc." .
<http://webisa.webdatacommons.org/89937881>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .