condition mean min max 12pM Fe,Midday 71.4533 71.4533 71.4533 12pM Fe,Midnight 62.79535 57.4386 68.1521 58pM Fe,Midday 49.5549 49.5549 49.5549 58pM Fe,Midnight 48.79567142857143 43.03 68.6505 233pM Fe,Midnight 35.331 34.4823 36.3926 1160pM Fe,Midday 39.90242857142857 33.7139 44.5484 1160pM Fe,Midnight 19.579658333333334 11.609 33.5447 High carbon,Dark 54.02468666666667 28.7713 97.512 High carbon,Light 47.92641538461538 24.5572 62.1765 Low carbon,Dark 42.9917 42.9917 42.9917 Phloroglucinol 44.9526 36.6667 58.0227 Silicon starvation,12h 63.1796 63.1796 63.1796