About: http://webisa.webdatacommons.org/138444706

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	This has resulted in a progressive ??? and now often dramatic ??? degradation of the soil resource base, while fertilizer use has hardly increased at all, and is the lowest in the world.
http://www.w3.org/ns/prov#wasQuotedFrom	seekerblog.com