condition mean min max 12pM Fe,Midday 16.5718 16.5718 16.5718 12pM Fe,Midnight 16.17735 16.1715 16.1832 58pM Fe,Midday 16.273 16.273 16.273 58pM Fe,Midnight 9.568357142857144 0.0 12.2811 233pM Fe,Midnight 9.265826666666667 9.21332 9.31356 1160pM Fe,Midday 12.88349 9.86213 14.8453 1160pM Fe,Midnight 6.8492991666666665 3.95113 8.56643 High carbon,Dark 12.238377999999999 2.11726 20.2597 High carbon,Light 10.648860769230769 1.90362 16.5814 Low carbon,Dark 6.89636 6.89636 6.89636 Phloroglucinol 24.068733333333334 20.9541 27.9506 Silicon starvation,12h 26.9068 26.9068 26.9068