PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Low pH restricts root growth, because it makes toxic Aluminum ions more available, and restricts availability of other nutrients such as P, K, Mg and Ca.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iagt.org