condition mean min max 12pM Fe,Midday 52.86 52.86 52.86 12pM Fe,Midnight 50.7267 50.679 50.7744 58pM Fe,Midday 33.8466 33.8466 33.8466 58pM Fe,Midnight 53.6137 35.6779 136.662 233pM Fe,Midnight 49.870066666666666 48.2422 51.8326 1160pM Fe,Midday 18.810142857142857 15.2922 24.5138 1160pM Fe,Midnight 72.575725 48.0793 95.7886 High carbon,Dark 65.30843333333333 48.4161 96.1874 High carbon,Light 61.326230384615386 0.0 107.338 Low carbon,Dark 37.4817 37.4817 37.4817 Phloroglucinol 83.9807 62.6334 100.257 Silicon starvation,12h 91.3208 91.3208 91.3208