condition mean min max 12pM Fe,Midday 405.085 405.085 405.085 12pM Fe,Midnight 319.6685 292.454 346.883 58pM Fe,Midday 355.476 355.476 355.476 58pM Fe,Midnight 444.4892857142857 240.175 1190.1 233pM Fe,Midnight 279.11733333333336 237.68 307.144 1160pM Fe,Midday 278.71614285714287 254.43 319.813 1160pM Fe,Midnight 183.88758333333334 123.761 334.814 High carbon,Dark 271.19132 68.9788 391.213 High carbon,Light 235.62092307692308 153.73 321.948 Low carbon,Dark 223.043 223.043 223.043 Phloroglucinol 177.13466666666667 171.065 182.024 Silicon starvation,12h 127.622 127.622 127.622