condition mean min max 12pM Fe,Midday 104.909 104.909 104.909 12pM Fe,Midnight 55.4576 49.6732 61.242 58pM Fe,Midday 77.5824 77.5824 77.5824 58pM Fe,Midnight 44.21828571428571 33.883 77.534 233pM Fe,Midnight 17.097566666666665 15.3488 18.3674 1160pM Fe,Midday 44.75264285714286 41.4767 47.8083 1160pM Fe,Midnight 36.173625 21.477 45.4461 High carbon,Dark 22.381665333333334 2.07411 44.657 High carbon,Light 19.287983076923076 2.95445 50.7762 Low carbon,Dark 9.2148 9.2148 9.2148 Phloroglucinol 36.83443333333333 32.2544 44.8147 Silicon starvation,12h 12.6578 12.6578 12.6578