condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.734635 0.0 1.46927 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.302278 0.0 0.906834 1160pM Fe,Midday 0.15718428571428572 0.0 1.10029 1160pM Fe,Midnight 0.48034166666666667 0.0 2.07667 High carbon,Dark 0.12301066666666666 0.0 1.84516 High carbon,Light 0.7554369230769231 0.0 7.72234 Low carbon,Dark 4.65452 4.65452 4.65452 Phloroglucinol 1.9515066666666667 0.0 5.85452 Silicon starvation,12h 3.25949 3.25949 3.25949