About: http://webisa.webdatacommons.org/217239822

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	For nitrate, potassium and some other ions, the reliability of recently developed on-the-go measurements remains in question.???
http://www.w3.org/ns/prov#wasQuotedFrom	quotesdaddy.com