condition mean min max 12pM Fe,Midday 122.838 122.838 122.838 12pM Fe,Midnight 71.1529 66.0507 76.2551 58pM Fe,Midday 95.7235 95.7235 95.7235 58pM Fe,Midnight 64.26568571428571 47.7552 124.054 233pM Fe,Midnight 56.94403333333333 55.812 58.896 1160pM Fe,Midday 76.22494285714286 67.3634 83.7518 1160pM Fe,Midnight 23.526783333333334 19.9081 29.4618 High carbon,Dark 62.73834 32.904 88.8044 High carbon,Light 53.20940769230769 14.792 100.949 Low carbon,Dark 61.81 61.81 61.81 Phloroglucinol 34.6507 26.8969 42.5809 Silicon starvation,12h 104.836 104.836 104.836