condition mean min max 12pM Fe,Midday 152.908 152.908 152.908 12pM Fe,Midnight 141.7425 135.365 148.12 58pM Fe,Midday 109.74 109.74 109.74 58pM Fe,Midnight 99.11407142857142 64.7875 112.085 233pM Fe,Midnight 48.2569 47.4429 48.9187 1160pM Fe,Midday 77.3803 75.2582 79.3367 1160pM Fe,Midnight 60.163525 51.8286 68.3849 High carbon,Dark 44.76212 16.0314 73.5224 High carbon,Light 37.29781153846154 4.47403 59.2983 Low carbon,Dark 21.767 21.767 21.767 Phloroglucinol 64.46436666666666 54.3605 73.0103 Silicon starvation,12h 59.2615 59.2615 59.2615