About: http://webisa.webdatacommons.org/165840766

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	A certain percentage may be removed from a field???depending on crop, soil type, and other factors???without harming the soil.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov