About: http://webisa.webdatacommons.org/339019887

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	They usually just check for pH and major nutrients such as phosphorous and potassium.
http://www.w3.org/ns/prov#wasQuotedFrom	garden.org