condition mean min max 12pM Fe,Midday 22.0408 22.0408 22.0408 12pM Fe,Midnight 12.923945 8.69439 17.1535 58pM Fe,Midday 16.1402 16.1402 16.1402 58pM Fe,Midnight 8.12963 0.0 11.7483 233pM Fe,Midnight 9.34086 8.66221 9.89392 1160pM Fe,Midday 8.579302857142856 3.50339 15.0217 1160pM Fe,Midnight 8.833334166666667 3.60091 19.137 High carbon,Dark 9.090102 1.2046 17.268 High carbon,Light 10.040530769230768 0.0 17.2118 Low carbon,Dark 1.23502 1.23502 1.23502 Phloroglucinol 3.504246666666667 1.44152 6.2137 Silicon starvation,12h 17.7297 17.7297 17.7297