condition mean min max 12pM Fe,Midday 91.1526 91.1526 91.1526 12pM Fe,Midnight 90.3049 89.2618 91.348 58pM Fe,Midday 88.7216 88.7216 88.7216 58pM Fe,Midnight 72.159 0.0 104.909 233pM Fe,Midnight 122.97666666666666 120.759 125.401 1160pM Fe,Midday 30.93767142857143 24.1109 35.7976 1160pM Fe,Midnight 141.267975 71.9505 221.538 High carbon,Dark 195.61277333333334 53.8482 351.599 High carbon,Light 161.99088384615385 3.36748 453.694 Low carbon,Dark 86.1786 86.1786 86.1786 Phloroglucinol 89.06263333333334 51.8656 120.817 Silicon starvation,12h 85.8097 85.8097 85.8097