condition mean min max 12pM Fe,Midday 68.0893 68.0893 68.0893 12pM Fe,Midnight 71.3571 63.6429 79.0713 58pM Fe,Midday 59.4118 59.4118 59.4118 58pM Fe,Midnight 57.292 0.0 78.0417 233pM Fe,Midnight 52.045766666666665 49.9424 54.4897 1160pM Fe,Midday 65.13315714285714 54.2961 75.995 1160pM Fe,Midnight 165.33394166666668 40.3398 253.05 High carbon,Dark 95.64452666666666 42.6021 214.036 High carbon,Light 97.32183076923077 16.7021 202.13 Low carbon,Dark 45.4864 45.4864 45.4864 Phloroglucinol 237.07133333333334 169.481 291.221 Silicon starvation,12h 227.063 227.063 227.063