condition mean min max 12pM Fe,Midday 39.716 39.716 39.716 12pM Fe,Midnight 39.92525 35.1371 44.7134 58pM Fe,Midday 48.3613 48.3613 48.3613 58pM Fe,Midnight 57.06561428571428 40.7726 129.527 233pM Fe,Midnight 12.925466666666667 11.5193 15.4575 1160pM Fe,Midday 22.2321 16.2686 27.153 1160pM Fe,Midnight 13.40819 9.71078 17.2849 High carbon,Dark 31.192224 8.66246 58.5318 High carbon,Light 13.237831538461538 3.86113 20.2468 Low carbon,Dark 11.2496 11.2496 11.2496 Phloroglucinol 14.542613333333334 4.33811 33.7611 Silicon starvation,12h 32.3409 32.3409 32.3409