condition mean min max 12pM Fe,Midday 76.8604 76.8604 76.8604 12pM Fe,Midnight 57.453 56.5592 58.3468 58pM Fe,Midday 61.4095 61.4095 61.4095 58pM Fe,Midnight 38.09111428571428 0.0 50.3144 233pM Fe,Midnight 31.563100000000002 29.8912 32.9699 1160pM Fe,Midday 47.6106 42.8077 51.4829 1160pM Fe,Midnight 17.066116666666666 12.437 23.1109 High carbon,Dark 38.725793333333336 23.2057 60.6453 High carbon,Light 34.71799307692308 4.2003 75.6056 Low carbon,Dark 35.8349 35.8349 35.8349 Phloroglucinol 33.42426666666667 24.5894 40.2128 Silicon starvation,12h 62.7367 62.7367 62.7367