condition mean min max 12pM Fe,Midday 122.998 122.998 122.998 12pM Fe,Midnight 105.349 103.929 106.769 58pM Fe,Midday 106.218 106.218 106.218 58pM Fe,Midnight 74.2074 0.0 93.3302 233pM Fe,Midnight 43.6344 38.1229 49.3475 1160pM Fe,Midday 86.59784285714285 80.6724 94.0397 1160pM Fe,Midnight 36.15821666666667 27.5687 45.5736 High carbon,Dark 59.35382666666667 19.6818 90.3207 High carbon,Light 38.02829153846154 9.05129 66.684 Low carbon,Dark 59.5756 59.5756 59.5756 Phloroglucinol 33.89093333333334 24.1726 48.2271 Silicon starvation,12h 79.066 79.066 79.066