condition mean min max 12pM Fe,Midday 339.872 339.872 339.872 12pM Fe,Midnight 322.377 302.093 342.661 58pM Fe,Midday 311.065 311.065 311.065 58pM Fe,Midnight 394.3912857142857 265.489 922.289 233pM Fe,Midnight 280.8523333333333 273.517 285.178 1160pM Fe,Midday 276.0248571428572 244.544 292.773 1160pM Fe,Midnight 232.68383333333333 170.958 279.323 High carbon,Dark 237.26362666666665 69.9044 365.978 High carbon,Light 227.41607692307693 125.154 383.92 Low carbon,Dark 379.429 379.429 379.429 Phloroglucinol 127.68333333333334 112.358 152.013 Silicon starvation,12h 175.663 175.663 175.663