condition mean min max 12pM Fe,Midday 612.902 612.902 612.902 12pM Fe,Midnight 437.74199999999996 436.683 438.801 58pM Fe,Midday 456.937 456.937 456.937 58pM Fe,Midnight 319.2602857142857 0.0 393.359 233pM Fe,Midnight 278.47933333333333 252.213 303.856 1160pM Fe,Midday 306.0877142857143 270.858 336.78 1160pM Fe,Midnight 347.77591666666666 307.434 391.957 High carbon,Dark 467.2613333333333 297.81 713.976 High carbon,Light 477.9193846153846 278.443 673.553 Low carbon,Dark 377.187 377.187 377.187 Phloroglucinol 447.04033333333336 387.329 536.623 Silicon starvation,12h 376.917 376.917 376.917