condition mean min max 12pM Fe,Midday 18.2781 18.2781 18.2781 12pM Fe,Midnight 14.679749999999999 14.1123 15.2472 58pM Fe,Midday 13.3961 13.3961 13.3961 58pM Fe,Midnight 11.800471428571429 0.0 16.9705 233pM Fe,Midnight 10.617533333333334 10.2907 11.2161 1160pM Fe,Midday 9.855954285714287 7.69495 12.2885 1160pM Fe,Midnight 7.6447666666666665 5.97162 9.0474 High carbon,Dark 13.3784 5.06625 20.764 High carbon,Light 8.212529230769231 2.37589 15.267 Low carbon,Dark 9.45037 9.45037 9.45037 Phloroglucinol 9.434893333333333 8.27198 11.7308 Silicon starvation,12h 13.7086 13.7086 13.7086