condition mean min max 12pM Fe,Midday 147.29 147.29 147.29 12pM Fe,Midnight 124.195 122.54 125.85 58pM Fe,Midday 128.9 128.9 128.9 58pM Fe,Midnight 109.31718571428571 93.5359 143.451 233pM Fe,Midnight 109.19266666666667 106.313 113.957 1160pM Fe,Midday 116.111 107.101 124.394 1160pM Fe,Midnight 76.67290833333334 53.4051 94.0009 High carbon,Dark 282.02341333333334 86.6662 1078.24 High carbon,Light 312.82524615384614 77.9214 855.504 Low carbon,Dark 166.554 166.554 166.554 Phloroglucinol 159.71 147.205 169.08 Silicon starvation,12h 258.757 258.757 258.757