condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.027671 0.0 0.332052 High carbon,Dark 0.4194024666666667 0.0 2.84491 High carbon,Light 0.34544984615384616 0.0 1.46576 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 7.719303333333333 2.69657 14.0129 Silicon starvation,12h 0.225196 0.225196 0.225196