condition mean min max 12pM Fe,Midday 37.8442 37.8442 37.8442 12pM Fe,Midnight 45.1348 45.004 45.2656 58pM Fe,Midday 22.0739 22.0739 22.0739 58pM Fe,Midnight 25.338657142857144 0.0 33.2475 233pM Fe,Midnight 21.2744 18.6969 23.2491 1160pM Fe,Midday 21.362314285714287 19.3634 23.7287 1160pM Fe,Midnight 13.469144166666666 7.91773 20.6648 High carbon,Dark 18.494043333333334 4.55371 37.5089 High carbon,Light 11.018608923076924 0.999076 29.3995 Low carbon,Dark 12.4094 12.4094 12.4094 Phloroglucinol 40.2808 31.5834 52.0291 Silicon starvation,12h 34.6639 34.6639 34.6639