About: http://webisa.webdatacommons.org/256488141

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	Layer materials high in carbon, including lawn clippings, chopped leaves, green plants and agricultural crop residues with materials high in nitrogen, such as manure, alfalfa meal, hay, paper products, sewage sludge and wood.
http://www.w3.org/ns/prov#wasQuotedFrom	yahoo.com