condition mean min max 12pM Fe,Midday 74.1486 74.1486 74.1486 12pM Fe,Midnight 57.87415 56.2568 59.4915 58pM Fe,Midday 64.6429 64.6429 64.6429 58pM Fe,Midnight 57.121785714285714 53.3926 64.7637 233pM Fe,Midnight 54.89476666666667 53.7792 56.9191 1160pM Fe,Midday 43.91297142857143 39.7883 48.762 1160pM Fe,Midnight 37.445708333333336 20.1404 65.5129 High carbon,Dark 79.35853333333333 16.1699 125.971 High carbon,Light 70.74354615384615 28.8788 120.768 Low carbon,Dark 52.1032 52.1032 52.1032 Phloroglucinol 51.05056666666667 28.1039 80.1826 Silicon starvation,12h 72.3523 72.3523 72.3523