condition mean min max 12pM Fe,Midday 63.3501 63.3501 63.3501 12pM Fe,Midnight 57.38365 49.7772 64.9901 58pM Fe,Midday 68.5118 68.5118 68.5118 58pM Fe,Midnight 48.05985714285715 0.0 74.4231 233pM Fe,Midnight 29.352733333333333 25.4249 32.0896 1160pM Fe,Midday 45.293528571428574 37.2471 54.6772 1160pM Fe,Midnight 29.298633333333335 23.2889 36.6125 High carbon,Dark 29.553699333333334 5.42796 50.7838 High carbon,Light 30.942027692307693 1.65756 49.581 Low carbon,Dark 41.1766 41.1766 41.1766 Phloroglucinol 58.996766666666666 39.1612 79.6071 Silicon starvation,12h 76.8944 76.8944 76.8944