condition mean min max 12pM Fe,Midday 39.0142 39.0142 39.0142 12pM Fe,Midnight 40.03375 40.0242 40.0433 58pM Fe,Midday 24.2166 24.2166 24.2166 58pM Fe,Midnight 23.136285714285716 0.0 28.9722 233pM Fe,Midnight 17.446833333333334 16.7721 17.8359 1160pM Fe,Midday 25.589114285714285 22.8741 28.3577 1160pM Fe,Midnight 13.594575 10.7653 16.3233 High carbon,Dark 12.333917333333334 3.64582 23.0107 High carbon,Light 13.135844076923076 0.985973 22.3766 Low carbon,Dark 11.5912 11.5912 11.5912 Phloroglucinol 88.1285 74.5278 105.703 Silicon starvation,12h 15.8615 15.8615 15.8615