condition mean min max 12pM Fe,Midday 65.8177 65.8177 65.8177 12pM Fe,Midnight 43.1786 43.0157 43.3415 58pM Fe,Midday 41.1492 41.1492 41.1492 58pM Fe,Midnight 22.52552857142857 0.0 29.2394 233pM Fe,Midnight 26.322033333333334 23.8972 28.1978 1160pM Fe,Midday 34.47762857142857 30.6381 39.9676 1160pM Fe,Midnight 9.6584875 6.39863 11.5125 High carbon,Dark 25.365446666666667 11.2645 37.7229 High carbon,Light 21.42121076923077 4.18895 52.2086 Low carbon,Dark 20.647 20.647 20.647 Phloroglucinol 23.46096 9.55438 37.0506 Silicon starvation,12h 54.6541 54.6541 54.6541