condition mean min max 12pM Fe,Midday 43.191 43.191 43.191 12pM Fe,Midnight 36.582449999999994 36.0395 37.1254 58pM Fe,Midday 38.0579 38.0579 38.0579 58pM Fe,Midnight 30.897928571428572 27.525 39.4573 233pM Fe,Midnight 19.945166666666665 19.3709 20.3235 1160pM Fe,Midday 26.77347142857143 25.8829 27.6929 1160pM Fe,Midnight 24.217366666666667 19.4813 28.4431 High carbon,Dark 18.117374 7.47661 33.7324 High carbon,Light 15.793960769230768 0.311406 24.3144 Low carbon,Dark 7.55271 7.55271 7.55271 Phloroglucinol 9.220766666666666 7.17261 10.8233 Silicon starvation,12h 6.12583 6.12583 6.12583