condition mean min max 12pM Fe,Midday 46.2825 46.2825 46.2825 12pM Fe,Midnight 40.4041 39.1435 41.6647 58pM Fe,Midday 47.4494 47.4494 47.4494 58pM Fe,Midnight 48.13525714285714 35.2798 99.1132 233pM Fe,Midnight 15.214233333333333 13.2991 17.6528 1160pM Fe,Midday 26.114771428571427 23.8179 27.9351 1160pM Fe,Midnight 19.977566666666668 17.5682 21.7562 High carbon,Dark 23.427506666666666 14.3205 40.4507 High carbon,Light 22.72249769230769 9.08237 31.8105 Low carbon,Dark 24.012 24.012 24.012 Phloroglucinol 28.3145 22.5375 37.6108 Silicon starvation,12h 40.6633 40.6633 40.6633