condition mean min max 12pM Fe,Midday 41.5077 41.5077 41.5077 12pM Fe,Midnight 30.9655 25.8998 36.0312 58pM Fe,Midday 34.1853 34.1853 34.1853 58pM Fe,Midnight 20.585842857142858 0.0 30.1066 233pM Fe,Midnight 16.5539 13.9496 18.4925 1160pM Fe,Midday 20.120371428571428 15.8366 23.3509 1160pM Fe,Midnight 9.967921666666667 5.52211 15.9948 High carbon,Dark 15.373986 4.04376 25.2372 High carbon,Light 17.894294692307692 0.375941 42.2678 Low carbon,Dark 20.2346 20.2346 20.2346 Phloroglucinol 12.956343333333333 9.60363 16.75 Silicon starvation,12h 49.7766 49.7766 49.7766