condition mean min max 12pM Fe,Midday 70.6584 70.6584 70.6584 12pM Fe,Midnight 61.22895 59.6115 62.8464 58pM Fe,Midday 44.4234 44.4234 44.4234 58pM Fe,Midnight 90.47968571428571 43.349 330.501 233pM Fe,Midnight 41.972033333333336 35.156 46.6094 1160pM Fe,Midday 43.75478571428572 39.0475 51.0697 1160pM Fe,Midnight 36.11496666666667 26.8766 41.8462 High carbon,Dark 43.31231066666667 9.1473 322.705 High carbon,Light 25.394082307692308 1.64201 57.7395 Low carbon,Dark 24.1721 24.1721 24.1721 Phloroglucinol 18.870633333333334 16.0211 23.8053 Silicon starvation,12h 40.9959 40.9959 40.9959