condition mean min max 12pM Fe,Midday 515.65 515.65 515.65 12pM Fe,Midnight 548.652 526.216 571.088 58pM Fe,Midday 460.542 460.542 460.542 58pM Fe,Midnight 549.7302857142857 493.667 602.604 233pM Fe,Midnight 314.27466666666663 301.198 327.008 1160pM Fe,Midday 330.81585714285717 272.942 354.553 1160pM Fe,Midnight 278.99691666666666 202.95 330.254 High carbon,Dark 438.2572666666667 246.074 534.785 High carbon,Light 424.6783076923077 283.206 672.567 Low carbon,Dark 477.126 477.126 477.126 Phloroglucinol 444.566 384.618 502.032 Silicon starvation,12h 321.766 321.766 321.766