condition mean min max 12pM Fe,Midday 64.0045 64.0045 64.0045 12pM Fe,Midnight 49.70865 48.4234 50.9939 58pM Fe,Midday 46.2265 46.2265 46.2265 58pM Fe,Midnight 37.367628571428575 0.0 46.5161 233pM Fe,Midnight 27.3017 25.0509 28.9199 1160pM Fe,Midday 42.45574285714286 39.6583 44.7548 1160pM Fe,Midnight 14.96489 8.71181 24.9234 High carbon,Dark 32.242066666666666 13.0738 48.5853 High carbon,Light 20.676871538461537 5.79378 38.4198 Low carbon,Dark 18.1202 18.1202 18.1202 Phloroglucinol 40.427566666666664 26.3231 51.3077 Silicon starvation,12h 46.0639 46.0639 46.0639