condition mean min max 12pM Fe,Midday 40.7546 40.7546 40.7546 12pM Fe,Midnight 43.6177 39.0118 48.2236 58pM Fe,Midday 38.1105 38.1105 38.1105 58pM Fe,Midnight 35.88628571428571 0.0 46.8909 233pM Fe,Midnight 48.799566666666664 46.0025 50.7302 1160pM Fe,Midday 41.6633 36.4191 45.4913 1160pM Fe,Midnight 22.827691666666666 15.2655 33.4398 High carbon,Dark 38.311213333333335 12.9384 62.8601 High carbon,Light 29.789486153846156 9.81522 46.1969 Low carbon,Dark 42.5192 42.5192 42.5192 Phloroglucinol 25.818366666666666 17.714 35.6542 Silicon starvation,12h 70.75 70.75 70.75