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 0.06536771428571428 0.0 0.457574 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.16036133333333333 0.0 1.2572 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.124406 0.0 0.373218 Silicon starvation,12h 0.0 0.0 0.0