condition mean min max 12pM Fe,Midday 181.346 181.346 181.346 12pM Fe,Midnight 558.55 494.306 622.794 58pM Fe,Midday 182.387 182.387 182.387 58pM Fe,Midnight 645.9072857142858 583.381 749.605 233pM Fe,Midnight 400.206 393.207 406.113 1160pM Fe,Midday 272.115 254.112 323.693 1160pM Fe,Midnight 390.64858333333336 344.935 430.894 High carbon,Dark 333.9664 161.257 539.685 High carbon,Light 243.5600769230769 112.004 345.585 Low carbon,Dark 237.286 237.286 237.286 Phloroglucinol 314.6816666666667 231.967 396.735 Silicon starvation,12h 320.639 320.639 320.639