condition mean min max 12pM Fe,Midday 34.7527 34.7527 34.7527 12pM Fe,Midnight 28.3435 28.0859 28.6011 58pM Fe,Midday 27.6536 27.6536 27.6536 58pM Fe,Midnight 19.061714285714285 0.0 23.001 233pM Fe,Midnight 20.8735 19.9302 21.7672 1160pM Fe,Midday 27.186157142857144 23.7015 29.2921 1160pM Fe,Midnight 14.206443333333333 5.00988 29.9954 High carbon,Dark 17.884780666666668 4.35891 27.8026 High carbon,Light 12.254848461538462 3.55607 19.2766 Low carbon,Dark 8.93799 8.93799 8.93799 Phloroglucinol 28.846766666666667 25.2117 36.0266 Silicon starvation,12h 28.664 28.664 28.664