condition mean min max 12pM Fe,Midday 173.838 173.838 173.838 12pM Fe,Midnight 227.059 210.916 243.202 58pM Fe,Midday 172.763 172.763 172.763 58pM Fe,Midnight 195.52528571428573 152.21 216.836 233pM Fe,Midnight 140.245 139.282 141.47 1160pM Fe,Midday 147.05428571428573 123.794 174.059 1160pM Fe,Midnight 204.1962 86.7866 278.15 High carbon,Dark 223.40694 26.9188 489.201 High carbon,Light 164.01463846153845 49.0698 337.531 Low carbon,Dark 238.647 238.647 238.647 Phloroglucinol 234.55466666666666 187.414 263.418 Silicon starvation,12h 450.285 450.285 450.285