condition mean min max 12pM Fe,Midday 318.661 318.661 318.661 12pM Fe,Midnight 277.7265 268.585 286.868 58pM Fe,Midday 337.862 337.862 337.862 58pM Fe,Midnight 248.61471428571429 0.0 310.302 233pM Fe,Midnight 264.01933333333335 259.545 271.451 1160pM Fe,Midday 308.1121428571429 287.427 333.536 1160pM Fe,Midnight 274.0905833333333 206.093 321.024 High carbon,Dark 246.4618 155.136 331.599 High carbon,Light 252.20353846153847 194.315 379.34 Low carbon,Dark 282.858 282.858 282.858 Phloroglucinol 121.41666666666667 116.707 130.549 Silicon starvation,12h 237.218 237.218 237.218