condition mean min max 12pM Fe,Midday 14.6925 14.6925 14.6925 12pM Fe,Midnight 61.71865 59.035 64.4023 58pM Fe,Midday 18.3191 18.3191 18.3191 58pM Fe,Midnight 283.9872 52.4396 712.226 233pM Fe,Midnight 356.389 346.748 363.072 1160pM Fe,Midday 25.157028571428572 10.2615 94.1574 1160pM Fe,Midnight 286.9891666666667 178.73 500.68 High carbon,Dark 93.48059333333333 12.6872 381.055 High carbon,Light 20.342372307692308 1.23661 56.2105 Low carbon,Dark 15.1931 15.1931 15.1931 Phloroglucinol 2.6993833333333335 1.365 4.22223 Silicon starvation,12h 15.5792 15.5792 15.5792