condition mean min max 12pM Fe,Midday 9.19144 9.19144 9.19144 12pM Fe,Midnight 54.22645 46.5469 61.906 58pM Fe,Midday 9.90106 9.90106 9.90106 58pM Fe,Midnight 74.33157142857144 48.479 142.062 233pM Fe,Midnight 227.14733333333334 219.129 236.085 1160pM Fe,Midday 0.4715175714285714 0.307017 1.05313 1160pM Fe,Midnight 176.61841666666666 115.496 243.864 High carbon,Dark 135.94978666666665 65.8001 258.421 High carbon,Light 122.67219230769231 62.0467 175.509 Low carbon,Dark 97.4071 97.4071 97.4071 Phloroglucinol 13.929366666666667 7.3512 19.783 Silicon starvation,12h 67.758 67.758 67.758