site	nitrogen
Site.1	2.92
Site.1	2.88
Site.1	3.25
Site.1	2.64
Site.1	3.28
Site.2	3.06
Site.2	2.6
Site.2	2.55
Site.2	2.42
Site.2	2.35
Site.3	3.41
Site.3	3.23
Site.3	3.93
Site.3	3.74
Site.3	3.18
