condition mean min max 12pM Fe,Midday 143.472 143.472 143.472 12pM Fe,Midnight 94.8044 91.3614 98.2474 58pM Fe,Midday 82.3674 82.3674 82.3674 58pM Fe,Midnight 62.47342857142857 44.7782 71.1474 233pM Fe,Midnight 44.38686666666667 43.5474 44.8711 1160pM Fe,Midday 66.67984285714286 60.1656 77.9026 1160pM Fe,Midnight 59.262191666666666 28.1718 86.0116 High carbon,Dark 52.03053333333333 24.7865 79.3659 High carbon,Light 50.3416 13.0758 78.5591 Low carbon,Dark 25.1763 25.1763 25.1763 Phloroglucinol 81.00596666666667 57.3044 118.26 Silicon starvation,12h 68.7306 68.7306 68.7306