About: http://webisa.webdatacommons.org/153445864

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	Other sources of nitrogen, from human activities, are fertilizer and animal waste such as sewage, barnyard waste, and feedlot waste.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu