condition mean min max 12pM Fe,Midday 73.9239 73.9239 73.9239 12pM Fe,Midnight 96.82075 93.4525 100.189 58pM Fe,Midday 65.4113 65.4113 65.4113 58pM Fe,Midnight 89.03024285714285 40.1819 108.471 233pM Fe,Midnight 59.46536666666667 58.4376 60.4054 1160pM Fe,Midday 71.60642857142857 64.2608 78.5043 1160pM Fe,Midnight 57.943425 46.9591 66.6743 High carbon,Dark 49.284913333333336 16.661 109.683 High carbon,Light 52.05206923076923 28.7854 77.9754 Low carbon,Dark 56.0209 56.0209 56.0209 Phloroglucinol 226.39333333333332 223.255 231.106 Silicon starvation,12h 62.0616 62.0616 62.0616