condition mean min max 12pM Fe,Midday 22.0678 22.0678 22.0678 12pM Fe,Midnight 71.58265 65.677 77.4883 58pM Fe,Midday 35.5607 35.5607 35.5607 58pM Fe,Midnight 49.35924285714286 0.0 71.4731 233pM Fe,Midnight 82.06423333333333 79.4421 85.5262 1160pM Fe,Midday 11.580777142857142 9.46708 15.2479 1160pM Fe,Midnight 17.2144475 6.20235 37.7838 High carbon,Dark 37.269826 4.54973 98.8491 High carbon,Light 9.44529323076923 0.844982 26.0234 Low carbon,Dark 43.7309 43.7309 43.7309 Phloroglucinol 13.008826666666668 9.89338 16.7874 Silicon starvation,12h 42.2613 42.2613 42.2613