condition mean min max 12pM Fe,Midday 82.6792 82.6792 82.6792 12pM Fe,Midnight 63.639849999999996 62.5132 64.7665 58pM Fe,Midday 57.9567 57.9567 57.9567 58pM Fe,Midnight 53.07138571428572 39.0705 95.4265 233pM Fe,Midnight 51.91766666666667 49.5885 54.8336 1160pM Fe,Midday 48.82188571428571 41.4464 54.2518 1160pM Fe,Midnight 72.66251666666666 33.4742 103.966 High carbon,Dark 136.91164 21.129 949.623 High carbon,Light 81.93314615384615 11.636 336.058 Low carbon,Dark 51.0358 51.0358 51.0358 Phloroglucinol 129.53066666666666 123.449 137.807 Silicon starvation,12h 62.0098 62.0098 62.0098