condition mean min max 12pM Fe,Midday 25.904 25.904 25.904 12pM Fe,Midnight 23.905749999999998 22.5175 25.294 58pM Fe,Midday 13.6477 13.6477 13.6477 58pM Fe,Midnight 28.012442857142858 15.5025 70.2942 233pM Fe,Midnight 13.354433333333333 12.1915 13.974 1160pM Fe,Midday 15.059814285714285 13.062 17.4939 1160pM Fe,Midnight 18.0167375 9.89195 25.2729 High carbon,Dark 22.945384 8.63181 47.6378 High carbon,Light 16.322453076923075 5.82063 24.238 Low carbon,Dark 25.3844 25.3844 25.3844 Phloroglucinol 25.9688 22.7678 27.8785 Silicon starvation,12h 43.8783 43.8783 43.8783