condition mean min max 12pM Fe,Midday 35.2159 35.2159 35.2159 12pM Fe,Midnight 28.271349999999998 25.8054 30.7373 58pM Fe,Midday 24.4834 24.4834 24.4834 58pM Fe,Midnight 20.2933 0.0 28.1303 233pM Fe,Midnight 23.0213 20.076 25.8816 1160pM Fe,Midday 25.744885714285715 22.1354 29.8298 1160pM Fe,Midnight 25.188791666666667 17.2598 37.4912 High carbon,Dark 40.491506666666666 13.9376 193.359 High carbon,Light 21.55592 3.70216 37.5131 Low carbon,Dark 25.5467 25.5467 25.5467 Phloroglucinol 27.581733333333332 21.4691 31.9188 Silicon starvation,12h 59.2158 59.2158 59.2158