condition mean min max 12pM Fe,Midday 26.7744 26.7744 26.7744 12pM Fe,Midnight 29.41485 28.7755 30.0542 58pM Fe,Midday 19.7427 19.7427 19.7427 58pM Fe,Midnight 28.868285714285715 17.5506 75.5391 233pM Fe,Midnight 19.408 17.6511 20.8549 1160pM Fe,Midday 12.453742857142856 10.7173 14.8559 1160pM Fe,Midnight 6.187194166666667 2.85234 10.63 High carbon,Dark 16.366061333333334 1.01037 34.2782 High carbon,Light 7.170650769230769 0.0 14.01 Low carbon,Dark 13.1213 13.1213 13.1213 Phloroglucinol 7.890946666666666 4.66042 12.1609 Silicon starvation,12h 22.6089 22.6089 22.6089