About: http://webisa.webdatacommons.org/157726142

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	Water and sodium bicarbonate extracted readily-soluble compounds, including phosphate, phospholipids, DNA, and simple phosphate monoesters, which are mobile in soil and biologically available.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov