condition mean min max 12pM Fe,Midday 42.7359 42.7359 42.7359 12pM Fe,Midnight 52.60055 49.0678 56.1333 58pM Fe,Midday 40.2191 40.2191 40.2191 58pM Fe,Midnight 46.32781428571429 37.405 57.4225 233pM Fe,Midnight 24.275566666666666 22.5104 26.3069 1160pM Fe,Midday 29.457642857142858 27.4692 31.2838 1160pM Fe,Midnight 19.604608333333335 15.8663 22.5494 High carbon,Dark 37.10835333333333 17.6633 85.7751 High carbon,Light 27.866263076923076 4.15834 51.4588 Low carbon,Dark 20.6727 20.6727 20.6727 Phloroglucinol 26.755666666666666 22.8798 33.2393 Silicon starvation,12h 30.4996 30.4996 30.4996