condition mean min max 12pM Fe,Midday 17.6978 17.6978 17.6978 12pM Fe,Midnight 17.418799999999997 17.3224 17.5152 58pM Fe,Midday 15.1071 15.1071 15.1071 58pM Fe,Midnight 20.05945714285714 9.06057 74.0157 233pM Fe,Midnight 8.717893333333333 8.1737 9.42199 1160pM Fe,Midday 6.779885714285714 5.76125 8.66139 1160pM Fe,Midnight 2.9582858333333335 1.81142 4.19507 High carbon,Dark 9.045353333333333 5.56127 21.0265 High carbon,Light 4.0714106153846155 0.292074 10.0668 Low carbon,Dark 8.11998 8.11998 8.11998 Phloroglucinol 13.740366666666667 11.4813 16.3131 Silicon starvation,12h 4.62012 4.62012 4.62012