About: http://webisa.webdatacommons.org/321421911

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	It has been estimated that up to 10 per cent of Chinese farmland is contaminated with toxins such as arsenic, lead, mercury and cadmium.
http://www.w3.org/ns/prov#wasQuotedFrom	chinadigitaltimes.net