condition mean min max 12pM Fe,Midday 52.4967 52.4967 52.4967 12pM Fe,Midnight 44.0274 42.0132 46.0416 58pM Fe,Midday 32.2273 32.2273 32.2273 58pM Fe,Midnight 28.073071428571428 25.0966 33.1472 233pM Fe,Midnight 17.952933333333334 17.3225 18.7217 1160pM Fe,Midday 24.784071428571426 23.4106 25.7063 1160pM Fe,Midnight 22.57995 16.7518 27.1222 High carbon,Dark 32.44359133333333 5.97057 49.898 High carbon,Light 27.730853076923076 3.58714 45.7054 Low carbon,Dark 20.1823 20.1823 20.1823 Phloroglucinol 33.805233333333334 28.2097 42.2331 Silicon starvation,12h 13.518 13.518 13.518