About: http://webisa.webdatacommons.org/197003854

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	Be sure the humus-rich amendments do not contain sewage sludge which predictably contains heavy metals such as lead.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com