condition mean min max 12pM Fe,Midday 89.0915 89.0915 89.0915 12pM Fe,Midnight 9.782925 7.12705 12.4388 58pM Fe,Midday 72.3018 72.3018 72.3018 58pM Fe,Midnight 3.5471885714285714 0.0 5.73775 233pM Fe,Midnight 3.95321 3.67171 4.24827 1160pM Fe,Midday 51.02001428571428 41.3948 59.7373 1160pM Fe,Midnight 0.4223943333333333 0.0 1.98203 High carbon,Dark 10.389702666666667 1.11275 25.4036 High carbon,Light 15.374333846153846 2.48281 42.8914 Low carbon,Dark 25.6989 25.6989 25.6989 Phloroglucinol 0.6751966666666667 0.0 1.66643 Silicon starvation,12h 12.5976 12.5976 12.5976