condition mean min max 12pM Fe,Midday 81.2683 81.2683 81.2683 12pM Fe,Midnight 59.86945 57.7181 62.0208 58pM Fe,Midday 64.0174 64.0174 64.0174 58pM Fe,Midnight 43.653642857142856 0.0 61.6399 233pM Fe,Midnight 46.466033333333336 44.4393 49.1492 1160pM Fe,Midday 57.124385714285715 45.8884 70.2911 1160pM Fe,Midnight 28.519658333333332 16.8039 39.8915 High carbon,Dark 40.641772 4.71238 73.9768 High carbon,Light 33.75263846153846 0.0 61.5503 Low carbon,Dark 43.4825 43.4825 43.4825 Phloroglucinol 25.784633333333332 14.2838 40.5133 Silicon starvation,12h 28.7585 28.7585 28.7585