<http://webisa.webdatacommons.org/prov/120900857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149257787> .
<http://webisa.webdatacommons.org/149257787>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cnjonline.com> .
<http://webisa.webdatacommons.org/149257787>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149257787>	<http://www.w3.org/ns/prov#value>	"An example of a negative effect of an unhealthy soil is water erosion, which removes the fertile surface soil from the farm and deposits it in places where it is unwanted, such as in ditches, streams and irrigation canals." .