condition mean min max 12pM Fe,Midday 86.0132 86.0132 86.0132 12pM Fe,Midnight 67.8989 59.411 76.3868 58pM Fe,Midday 85.196 85.196 85.196 58pM Fe,Midnight 87.40811428571428 50.9255 228.183 233pM Fe,Midnight 55.647733333333335 54.8682 57.1641 1160pM Fe,Midday 86.89927142857142 72.7371 102.432 1160pM Fe,Midnight 42.263466666666666 22.6856 56.7658 High carbon,Dark 107.29735333333333 25.1926 424.236 High carbon,Light 75.05363461538461 8.31355 155.261 Low carbon,Dark 98.0463 98.0463 98.0463 Phloroglucinol 114.398 105.918 119.826 Silicon starvation,12h 35.7911 35.7911 35.7911