condition mean min max 12pM Fe,Midday 35.365 35.365 35.365 12pM Fe,Midnight 34.5858 33.8805 35.2911 58pM Fe,Midday 35.7494 35.7494 35.7494 58pM Fe,Midnight 28.958457142857142 22.8033 38.0963 233pM Fe,Midnight 16.904333333333334 16.2846 17.8038 1160pM Fe,Midday 18.6905 16.9646 20.5829 1160pM Fe,Midnight 14.049545 9.68244 17.3891 High carbon,Dark 13.448962666666667 6.70977 18.8217 High carbon,Light 9.400584615384615 1.3065 18.2151 Low carbon,Dark 7.31396 7.31396 7.31396 Phloroglucinol 23.138166666666667 17.1913 33.6589 Silicon starvation,12h 11.2803 11.2803 11.2803