About: http://webisa.webdatacommons.org/426498301

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	The Humus is a substance made mainly out of cellulose and lignin (dry maize stalks, dry grass, etc).
http://www.w3.org/ns/prov#wasQuotedFrom	permaculturenews.org