About: http://webisa.webdatacommons.org/131189606

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Animal manures are enriched with potentially toxic trace elements such as As, Cu, and Zn and land application of manures should consider the loadings of these trace elements in soil.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov