condition mean min max 12pM Fe,Midday 117.649 117.649 117.649 12pM Fe,Midnight 164.8635 164.695 165.032 58pM Fe,Midday 101.766 101.766 101.766 58pM Fe,Midnight 177.49371428571428 164.195 184.037 233pM Fe,Midnight 85.7519 85.1468 86.1714 1160pM Fe,Midday 121.47188571428572 96.5502 137.557 1160pM Fe,Midnight 75.12051666666666 46.9454 119.739 High carbon,Dark 48.13333333333333 16.7328 78.0792 High carbon,Light 52.68234846153846 2.68428 100.453 Low carbon,Dark 36.8841 36.8841 36.8841 Phloroglucinol 149.506 131.939 179.422 Silicon starvation,12h 48.2049 48.2049 48.2049