condition mean min max 12pM Fe,Midday 53.1228 53.1228 53.1228 12pM Fe,Midnight 36.4317 35.5456 37.3178 58pM Fe,Midday 36.5599 36.5599 36.5599 58pM Fe,Midnight 29.876971428571427 24.0114 48.797 233pM Fe,Midnight 18.234 17.2737 19.9036 1160pM Fe,Midday 26.306642857142858 23.7481 29.5301 1160pM Fe,Midnight 14.901135833333333 8.97835 20.5266 High carbon,Dark 25.181626666666666 13.9016 42.6441 High carbon,Light 21.968516923076923 6.30331 40.4019 Low carbon,Dark 25.4284 25.4284 25.4284 Phloroglucinol 27.837133333333334 17.1172 37.4084 Silicon starvation,12h 36.3171 36.3171 36.3171