condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.110659 0.0 0.221318 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.011979885714285713 0.0 0.0838592 233pM Fe,Midnight 0.06782133333333333 0.0 0.136598 1160pM Fe,Midday 0.02444522857142857 0.0 0.086292 1160pM Fe,Midnight 0.006516908333333334 0.0 0.0782029 High carbon,Dark 0.10116753333333334 0.0 0.486195 High carbon,Light 0.04218361538461539 0.0 0.214929 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.13755216666666667 0.0734895 0.202776 Silicon starvation,12h 0.0 0.0 0.0