condition mean min max 12pM Fe,Midday 68.317 68.317 68.317 12pM Fe,Midnight 49.93455 49.0324 50.8367 58pM Fe,Midday 53.6388 53.6388 53.6388 58pM Fe,Midnight 31.243514285714287 0.0 40.3396 233pM Fe,Midnight 20.968 18.8759 23.1516 1160pM Fe,Midday 35.62338571428572 28.4349 45.0308 1160pM Fe,Midnight 31.093058333333335 18.8835 41.5278 High carbon,Dark 28.0014 15.1797 51.8514 High carbon,Light 24.726486923076923 7.93053 46.5674 Low carbon,Dark 54.7245 54.7245 54.7245 Phloroglucinol 45.856033333333336 36.4782 56.3777 Silicon starvation,12h 73.087 73.087 73.087