condition mean min max 12pM Fe,Midday 31.5476 31.5476 31.5476 12pM Fe,Midnight 32.7012 32.6527 32.7497 58pM Fe,Midday 23.9838 23.9838 23.9838 58pM Fe,Midnight 22.936457142857144 0.0 28.4172 233pM Fe,Midnight 21.6336 20.9506 22.7287 1160pM Fe,Midday 20.0421 18.2605 21.1261 1160pM Fe,Midnight 10.904591666666667 8.26929 15.0537 High carbon,Dark 20.37531 7.22849 32.3455 High carbon,Light 12.70650076923077 1.10439 22.2051 Low carbon,Dark 16.0827 16.0827 16.0827 Phloroglucinol 28.068333333333335 25.1001 33.945 Silicon starvation,12h 17.8856 17.8856 17.8856