About: http://webisa.webdatacommons.org/290576849

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	Decaying organic matter, such as compost and manure, provide the element through ammonification of nitrogen compounds by microorganisms.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org