condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 459.629 369.175 550.083 58pM Fe,Midday 0.2593 0.2593 0.2593 58pM Fe,Midnight 287.7838 62.3097 729.214 233pM Fe,Midnight 80.57786666666667 78.3851 83.9613 1160pM Fe,Midday 0.017673428571428573 0.0 0.123714 1160pM Fe,Midnight 29.900108333333332 11.3496 60.8688 High carbon,Dark 33.473323 0.696685 127.253 High carbon,Light 0.012154538461538463 0.0 0.158009 Low carbon,Dark 26.6665 26.6665 26.6665 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0