condition mean min max 12pM Fe,Midday 243.707 243.707 243.707 12pM Fe,Midnight 261.3035 251.756 270.851 58pM Fe,Midday 255.178 255.178 255.178 58pM Fe,Midnight 273.66342857142854 239.973 300.621 233pM Fe,Midnight 204.07366666666667 196.899 213.463 1160pM Fe,Midday 178.36742857142858 151.584 191.064 1160pM Fe,Midnight 165.8615 153.002 185.295 High carbon,Dark 194.87707333333333 75.9646 286.826 High carbon,Light 157.6014 75.5629 250.532 Low carbon,Dark 281.171 281.171 281.171 Phloroglucinol 163.71166666666667 152.022 173.075 Silicon starvation,12h 237.112 237.112 237.112