condition mean min max 12pM Fe,Midday 16.3347 16.3347 16.3347 12pM Fe,Midnight 15.0178 12.6144 17.4212 58pM Fe,Midday 16.4571 16.4571 16.4571 58pM Fe,Midnight 13.324514285714287 0.0 18.9736 233pM Fe,Midnight 24.738833333333332 23.6692 25.7656 1160pM Fe,Midday 8.274398571428572 6.82767 9.90921 1160pM Fe,Midnight 23.719383333333333 14.8227 33.0135 High carbon,Dark 29.00766 10.2966 56.8629 High carbon,Light 21.473773769230768 0.0 50.4625 Low carbon,Dark 13.6658 13.6658 13.6658 Phloroglucinol 18.255266666666667 12.0653 28.3763 Silicon starvation,12h 27.0536 27.0536 27.0536