About: http://webisa.webdatacommons.org/417816976

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	Organic materials such as compost, topsoil, humus, worm castings and steer manure have nutrients tied up in complex molecules.
http://www.w3.org/ns/prov#wasQuotedFrom	growinghelp.com