condition mean min max 12pM Fe,Midday 74.3308 74.3308 74.3308 12pM Fe,Midnight 43.9985 41.2272 46.7698 58pM Fe,Midday 72.3485 72.3485 72.3485 58pM Fe,Midnight 63.40515714285714 38.8962 176.157 233pM Fe,Midnight 41.934799999999996 40.4274 42.9858 1160pM Fe,Midday 59.52467142857143 56.3438 65.2703 1160pM Fe,Midnight 34.226708333333335 21.6121 42.8201 High carbon,Dark 57.81115333333333 25.0923 84.8754 High carbon,Light 61.974192307692306 22.755 96.5616 Low carbon,Dark 43.4825 43.4825 43.4825 Phloroglucinol 43.977466666666665 36.9681 49.6288 Silicon starvation,12h 65.6934 65.6934 65.6934