condition mean min max 12pM Fe,Midday 0.364367 0.364367 0.364367 12pM Fe,Midnight 0.5632630000000001 0.378927 0.747599 58pM Fe,Midday 0.322409 0.322409 0.322409 58pM Fe,Midnight 1.1754565714285714 0.0 2.01754 233pM Fe,Midnight 0.3807226666666667 0.0 0.680749 1160pM Fe,Midday 0.25177571428571427 0.0 0.615293 1160pM Fe,Midnight 0.8157215833333333 0.0 1.87951 High carbon,Dark 1.3372648 0.0 4.60678 High carbon,Light 0.04196084615384615 0.0 0.545491 Low carbon,Dark 0.592082 0.592082 0.592082 Phloroglucinol 1.06976 0.0 2.97892 Silicon starvation,12h 0.207313 0.207313 0.207313