About: http://webisa.webdatacommons.org/235341216

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	productivity depends on many factors including soil texture, soil pH, amount
http://www.w3.org/ns/prov#wasQuotedFrom	northern.edu