About: http://webisa.webdatacommons.org/455525812

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	Nutrients, such as nitrogen and phosphorous from fertilizers, create significant water-quality problems in the river itself and contribute to an oxygen-deficient dead zone in the northern Gulf of Mexico.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalacademies.org