About: http://webisa.webdatacommons.org/276991444

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	The instant systems can reduce the mineral content of the irrigation waters to prevent the loss of soil productivity and remove nitrates, phosphates and other ions which can foster algae growth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com