About: http://webisa.webdatacommons.org/112119141

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	Most contain a combination of organic matter, such as peat moss or ground pine bark, and an inorganic material, such as washed sand, perlite or vermiculite.
http://www.w3.org/ns/prov#wasQuotedFrom	clemson.edu