condition mean min max 12pM Fe,Midday 8.6086 8.6086 8.6086 12pM Fe,Midnight 6.900035 6.69973 7.10034 58pM Fe,Midday 8.31773 8.31773 8.31773 58pM Fe,Midnight 11.04561 6.06347 35.1752 233pM Fe,Midnight 5.483666666666666 4.96841 6.47038 1160pM Fe,Midday 6.222065714285715 5.09632 7.14911 1160pM Fe,Midnight 3.647485833333333 2.17422 5.28278 High carbon,Dark 4.608684 1.56828 6.93771 High carbon,Light 4.088289 0.27761 7.99937 Low carbon,Dark 3.53736 3.53736 3.53736 Phloroglucinol 5.222583333333334 3.69091 7.0785 Silicon starvation,12h 4.84172 4.84172 4.84172