condition mean min max 12pM Fe,Midday 37.2438 37.2438 37.2438 12pM Fe,Midnight 28.1342 26.9086 29.3598 58pM Fe,Midday 22.2013 22.2013 22.2013 58pM Fe,Midnight 20.803271428571428 0.0 26.6694 233pM Fe,Midnight 17.24086666666667 17.0117 17.3762 1160pM Fe,Midday 16.806 11.4451 22.8138 1160pM Fe,Midnight 50.36505833333334 13.6429 86.4125 High carbon,Dark 22.11714 12.8222 28.4023 High carbon,Light 20.580226153846155 1.0999 42.2877 Low carbon,Dark 12.741 12.741 12.741 Phloroglucinol 48.31633333333333 34.3927 62.2117 Silicon starvation,12h 30.336 30.336 30.336