condition mean min max 12pM Fe,Midday 55.1415 55.1415 55.1415 12pM Fe,Midnight 32.0793 31.3486 32.81 58pM Fe,Midday 29.2751 29.2751 29.2751 58pM Fe,Midnight 21.562285714285714 0.0 31.4373 233pM Fe,Midnight 12.269433333333334 10.76 14.1985 1160pM Fe,Midday 28.689185714285713 24.4611 32.1958 1160pM Fe,Midnight 8.122569166666667 3.39245 11.8901 High carbon,Dark 18.797608666666665 4.07847 42.4941 High carbon,Light 11.719151538461539 1.99184 24.5786 Low carbon,Dark 12.5444 12.5444 12.5444 Phloroglucinol 22.657 17.7373 27.192 Silicon starvation,12h 21.7525 21.7525 21.7525