condition mean min max 12pM Fe,Midday 3.05385 3.05385 3.05385 12pM Fe,Midnight 2.31609 1.87975 2.75243 58pM Fe,Midday 5.04409 5.04409 5.04409 58pM Fe,Midnight 3.3989185714285717 0.0 5.54436 233pM Fe,Midnight 3.9065833333333333 3.65994 4.38291 1160pM Fe,Midday 16.204457142857144 14.0769 20.1121 1160pM Fe,Midnight 5.536770833333334 4.2579 7.53863 High carbon,Dark 5.356881066666666 0.355486 12.427 High carbon,Light 16.78091076923077 1.45389 89.1375 Low carbon,Dark 9.9248 9.9248 9.9248 Phloroglucinol 9.843856666666667 8.80267 11.713 Silicon starvation,12h 5.32848 5.32848 5.32848