condition mean min max 12pM Fe,Midday 0.530555 0.530555 0.530555 12pM Fe,Midnight 0.275878 0.0 0.551756 58pM Fe,Midday 0.93892 0.93892 0.93892 58pM Fe,Midnight 0.18245585714285714 0.0 0.839355 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.3093235714285714 0.0 0.861409 1160pM Fe,Midnight 0.4225063333333333 0.0 1.22668 High carbon,Dark 0.27663846666666664 0.0 1.20543 High carbon,Light 0.43412 0.0 1.80287 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 7.64036 5.65181 11.567 Silicon starvation,12h 1.50935 1.50935 1.50935