About: http://webisa.webdatacommons.org/129777072

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	N is the most limiting nutrient in agricultural systems because it can be easily be lost through gaseous losses, leaching or runoff, while large amounts are essential for non-leguminous plant growth (Campbell et al., 1995; Smil, 1999).
http://www.w3.org/ns/prov#wasQuotedFrom	ulg.ac.be