condition mean min max 12pM Fe,Midday 237.989 237.989 237.989 12pM Fe,Midnight 183.8725 181.273 186.472 58pM Fe,Midday 197.891 197.891 197.891 58pM Fe,Midnight 231.6587142857143 180.087 463.572 233pM Fe,Midnight 163.231 155.612 167.703 1160pM Fe,Midday 206.35028571428572 190.91 223.375 1160pM Fe,Midnight 137.92416666666668 113.413 156.062 High carbon,Dark 177.07427333333334 63.7555 275.531 High carbon,Light 216.98586923076923 79.0742 329.275 Low carbon,Dark 268.057 268.057 268.057 Phloroglucinol 375.533 325.244 422.876 Silicon starvation,12h 173.619 173.619 173.619