About: http://webisa.webdatacommons.org/69776821

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	Nitrogen, phosphorus and other nutrients must also be supplied if these are not present in the carbon substrate or in the rock.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com