condition mean min max 12pM Fe,Midday 37.0138 37.0138 37.0138 12pM Fe,Midnight 45.1751 36.5019 53.8483 58pM Fe,Midday 38.2572 38.2572 38.2572 58pM Fe,Midnight 29.85557142857143 0.0 38.84 233pM Fe,Midnight 41.095 39.5445 42.6258 1160pM Fe,Midday 29.47917142857143 25.2712 31.395 1160pM Fe,Midnight 14.933566666666666 11.5215 20.8745 High carbon,Dark 29.54186 10.3073 54.6399 High carbon,Light 22.232786923076922 4.32054 47.8876 Low carbon,Dark 27.999 27.999 27.999 Phloroglucinol 44.9916 38.7325 54.2855 Silicon starvation,12h 45.2965 45.2965 45.2965