condition mean min max 12pM Fe,Midday 29.7904 29.7904 29.7904 12pM Fe,Midnight 62.58905 51.3829 73.7952 58pM Fe,Midday 42.4331 42.4331 42.4331 58pM Fe,Midnight 58.938471428571425 0.0 77.9537 233pM Fe,Midnight 21.642333333333333 18.1001 26.124 1160pM Fe,Midday 42.11607142857143 35.7257 54.6005 1160pM Fe,Midnight 27.397566666666666 17.3838 38.5541 High carbon,Dark 60.54252533333334 0.0 133.718 High carbon,Light 57.035849999999996 2.07552 170.273 Low carbon,Dark 114.527 114.527 114.527 Phloroglucinol 4.1948 2.97018 5.97179 Silicon starvation,12h 2.06705 2.06705 2.06705