condition mean min max 12pM Fe,Midday 16.3959 16.3959 16.3959 12pM Fe,Midnight 10.89865 10.502 11.2953 58pM Fe,Midday 11.783 11.783 11.783 58pM Fe,Midnight 12.072024285714285 8.42682 29.5864 233pM Fe,Midnight 4.951226666666667 4.82188 5.08187 1160pM Fe,Midday 8.871035714285714 7.37856 10.0137 1160pM Fe,Midnight 3.2166475 2.87989 3.78443 High carbon,Dark 7.446165933333333 0.725509 14.5603 High carbon,Light 4.224515230769231 0.116751 12.106 Low carbon,Dark 5.40969 5.40969 5.40969 Phloroglucinol 3.6069933333333335 3.11868 4.05161 Silicon starvation,12h 9.3761 9.3761 9.3761