condition mean min max 12pM Fe,Midday 75.9794 75.9794 75.9794 12pM Fe,Midnight 165.6905 162.007 169.374 58pM Fe,Midday 56.8707 56.8707 56.8707 58pM Fe,Midnight 177.08557142857143 126.254 254.808 233pM Fe,Midnight 92.50113333333333 89.2785 97.6053 1160pM Fe,Midday 59.79797142857143 52.5754 69.735 1160pM Fe,Midnight 83.62785833333334 57.3296 107.378 High carbon,Dark 76.33425333333334 31.6286 112.851 High carbon,Light 56.35928461538462 9.2836 114.804 Low carbon,Dark 54.7433 54.7433 54.7433 Phloroglucinol 80.53926666666666 76.8059 86.1119 Silicon starvation,12h 88.499 88.499 88.499