About: http://webisa.webdatacommons.org/241925366

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	If it contains mainly lignin and tannins, or similar materials, such as are found in wood and eaves, the amount of carbon stored in humus may be more that 50%.
http://www.w3.org/ns/prov#wasQuotedFrom	tmorganics.com