condition mean min max 12pM Fe,Midday 32.9444 32.9444 32.9444 12pM Fe,Midnight 26.74675 24.625 28.8685 58pM Fe,Midday 24.2923 24.2923 24.2923 58pM Fe,Midnight 21.24525714285714 0.0 30.5854 233pM Fe,Midnight 31.301166666666667 28.2475 36.3769 1160pM Fe,Midday 23.89227142857143 21.4136 27.3566 1160pM Fe,Midnight 29.985125 18.746 38.8783 High carbon,Dark 28.514739333333335 7.24368 88.6562 High carbon,Light 18.72774692307692 3.23247 50.0023 Low carbon,Dark 18.4021 18.4021 18.4021 Phloroglucinol 31.6997 27.9878 35.0704 Silicon starvation,12h 40.4175 40.4175 40.4175