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 0.0 0.0 0.0 High carbon,Dark 0.0 0.0 0.0 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.02588246666666667 0.0 0.0776474 Silicon starvation,12h 0.0 0.0 0.0