condition mean min max 12pM Fe,Midday 17.4952 17.4952 17.4952 12pM Fe,Midnight 36.3949 34.926 37.8638 58pM Fe,Midday 4.60232 4.60232 4.60232 58pM Fe,Midnight 28.6208 0.0 37.8632 233pM Fe,Midnight 39.8144 38.3978 41.226 1160pM Fe,Midday 19.351042857142858 14.0743 26.1551 1160pM Fe,Midnight 24.106066666666667 15.8675 39.2193 High carbon,Dark 51.64949333333333 17.1889 185.857 High carbon,Light 54.69701538461538 12.0341 166.353 Low carbon,Dark 10.7569 10.7569 10.7569 Phloroglucinol 11.461173333333333 3.85184 25.4497 Silicon starvation,12h 14.5278 14.5278 14.5278