condition mean min max 12pM Fe,Midday 49.1471 49.1471 49.1471 12pM Fe,Midnight 45.647000000000006 39.8314 51.4626 58pM Fe,Midday 28.7918 28.7918 28.7918 58pM Fe,Midnight 20.040014285714285 0.0 28.1517 233pM Fe,Midnight 14.1913 12.6622 16.4646 1160pM Fe,Midday 13.766585714285714 10.7186 17.3348 1160pM Fe,Midnight 11.699520833333333 8.59345 13.9553 High carbon,Dark 18.183768 5.54284 35.2854 High carbon,Light 20.674520769230767 1.59633 42.7075 Low carbon,Dark 15.4217 15.4217 15.4217 Phloroglucinol 29.1384 20.8144 35.1004 Silicon starvation,12h 69.4258 69.4258 69.4258