condition mean min max 12pM Fe,Midday 12.3236 12.3236 12.3236 12pM Fe,Midnight 23.44425 22.934 23.9545 58pM Fe,Midday 6.60009 6.60009 6.60009 58pM Fe,Midnight 23.921699999999998 0.0 33.0286 233pM Fe,Midnight 26.15696666666667 25.7326 26.6597 1160pM Fe,Midday 14.557657142857144 12.8707 17.3064 1160pM Fe,Midnight 16.123066666666666 13.637 19.3471 High carbon,Dark 26.080280666666667 5.66265 107.941 High carbon,Light 22.211379846153847 0.463188 59.4539 Low carbon,Dark 25.2952 25.2952 25.2952 Phloroglucinol 4.742023333333333 3.86114 5.94594 Silicon starvation,12h 54.0643 54.0643 54.0643