About: http://webisa.webdatacommons.org/168995680

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	Nitrogen is a nutrient that doesn???t normally occur in soils in anything like useful quantities; fortunately there???s this big reservoir of it, right next to your soil, called the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	energybulletin.net