condition mean min max 12pM Fe,Midday 85.4804 85.4804 85.4804 12pM Fe,Midnight 54.3605 51.212 57.509 58pM Fe,Midday 80.2958 80.2958 80.2958 58pM Fe,Midnight 51.608442857142855 38.9485 110.098 233pM Fe,Midnight 48.41206666666667 44.5415 53.0417 1160pM Fe,Midday 78.86988571428572 72.5954 87.127 1160pM Fe,Midnight 14.179021666666667 7.96785 24.2644 High carbon,Dark 65.30884666666667 13.7444 90.0697 High carbon,Light 55.26198461538461 17.5038 87.0613 Low carbon,Dark 46.3008 46.3008 46.3008 Phloroglucinol 24.154966666666667 20.3777 27.2199 Silicon starvation,12h 77.7114 77.7114 77.7114