condition mean min max 12pM Fe,Midday 54.4166 54.4166 54.4166 12pM Fe,Midnight 40.62055 34.9179 46.3232 58pM Fe,Midday 65.5664 65.5664 65.5664 58pM Fe,Midnight 35.96828571428571 0.0 50.559 233pM Fe,Midnight 38.69563333333333 34.822 45.9338 1160pM Fe,Midday 52.494285714285716 46.1484 61.3748 1160pM Fe,Midnight 23.328041666666667 18.9122 32.913 High carbon,Dark 46.23286 14.6803 68.6288 High carbon,Light 54.29452307692308 13.6323 89.4107 Low carbon,Dark 41.3904 41.3904 41.3904 Phloroglucinol 15.410833333333334 13.0591 19.7636 Silicon starvation,12h 47.7595 47.7595 47.7595