condition mean min max 12pM Fe,Midday 43.8061 43.8061 43.8061 12pM Fe,Midnight 45.769 44.4865 47.0515 58pM Fe,Midday 31.0874 31.0874 31.0874 58pM Fe,Midnight 41.13458571428571 37.5992 52.2567 233pM Fe,Midnight 32.2571 29.524 34.8098 1160pM Fe,Midday 26.98164285714286 23.9696 28.9677 1160pM Fe,Midnight 25.54815 20.5605 32.5427 High carbon,Dark 30.52442 12.8142 48.4082 High carbon,Light 26.696950769230767 3.60869 39.6408 Low carbon,Dark 18.6319 18.6319 18.6319 Phloroglucinol 26.5227 23.5813 32.1486 Silicon starvation,12h 36.801 36.801 36.801