﻿Variable;Description;Type;Unit
ID.No;Continuous running number, unique for every sample;integer;none
Species;"Species abbreviations, ""Ce"" = Centaurea jacea, ""Pl"" = Plantago lanceolata, ""Po"" = Poa annua";string;none
Sample;Combination of ID.No and Species, for quick identification of species identity;string;none
N.Stufe;"N fertilization level, defined as kilogram per hectare per year, ""Control"" indicates no fertilization treatment";string;kg ha -1 a -1
P.Stufe;"P fertilization level, defined as kilogram per hectare per year, ""Control"" indicates no fertilization treatment";string;kg ha -1 a -1
WeightVol;Weight of the sample used for the CN analysis in mg, relevant for outlier analysis;integer;mg
Percent.N;Nitrogen percentage of the total leaf mass;integer;Percent
Percent.C;Carbon percentage of the total leaf mass;integer;Percent
CNR;The ratio of carbon to nitrogen content in the leaf sample;integer;C% N% -1
SampleCode;Inverse of the ID.No, necessary for correct collation of some spectral datasets;string;none
P.mg.L;Phosphorus concentration in the liquified sample;integer;mg  L -1
