condition mean min max 12pM Fe,Midday 34.1221 34.1221 34.1221 12pM Fe,Midnight 38.407849999999996 36.7644 40.0513 58pM Fe,Midday 23.6646 23.6646 23.6646 58pM Fe,Midnight 32.471114285714286 0.0 47.9989 233pM Fe,Midnight 54.2316 51.1153 59.3661 1160pM Fe,Midday 19.270814285714287 15.2471 23.898 1160pM Fe,Midnight 38.314175 22.2428 57.8893 High carbon,Dark 37.24794666666667 14.6166 56.6335 High carbon,Light 27.99280230769231 1.66563 44.9676 Low carbon,Dark 24.4766 24.4766 24.4766 Phloroglucinol 26.3033 14.9648 33.5098 Silicon starvation,12h 47.2242 47.2242 47.2242