condition mean min max 12pM Fe,Midday 79.7343 79.7343 79.7343 12pM Fe,Midnight 83.2045 82.9205 83.4885 58pM Fe,Midday 34.6932 34.6932 34.6932 58pM Fe,Midnight 117.79175714285714 62.6442 334.453 233pM Fe,Midnight 84.23196666666666 79.9015 89.463 1160pM Fe,Midday 49.306085714285715 36.4675 56.6631 1160pM Fe,Midnight 65.11086666666667 48.7783 95.6331 High carbon,Dark 67.40220866666667 8.23443 357.188 High carbon,Light 38.35867692307692 10.8518 101.234 Low carbon,Dark 14.4556 14.4556 14.4556 Phloroglucinol 89.49383333333333 67.0998 103.735 Silicon starvation,12h 169.655 169.655 169.655