About: http://webisa.webdatacommons.org/73772064

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	Currently, the average rate of soil erosion on US cropland is seven tons per acre per year. 3 The rate of erosion is highest when soil is not covered by a protective layer of plants or decaying organic matter.
http://www.w3.org/ns/prov#wasQuotedFrom	sustainabletable.org