condition mean min max 12pM Fe,Midday 31.4289 31.4289 31.4289 12pM Fe,Midnight 34.0653 30.0513 38.0793 58pM Fe,Midday 35.3696 35.3696 35.3696 58pM Fe,Midnight 28.482171428571426 0.0 39.8254 233pM Fe,Midnight 81.78686666666667 76.3914 85.1183 1160pM Fe,Midday 6.6192528571428575 4.95416 9.85042 1160pM Fe,Midnight 78.18814166666667 48.6893 103.044 High carbon,Dark 113.29234666666666 25.1482 232.031 High carbon,Light 96.04952153846153 2.47999 235.683 Low carbon,Dark 65.9457 65.9457 65.9457 Phloroglucinol 69.4539 49.1926 86.616 Silicon starvation,12h 95.8339 95.8339 95.8339