condition mean min max 12pM Fe,Midday 24.0324 24.0324 24.0324 12pM Fe,Midnight 23.472749999999998 23.3628 23.5827 58pM Fe,Midday 21.3806 21.3806 21.3806 58pM Fe,Midnight 23.49902857142857 17.2621 46.4305 233pM Fe,Midnight 23.601666666666667 22.9132 24.2395 1160pM Fe,Midday 15.890128571428571 12.1415 21.5123 1160pM Fe,Midnight 22.440641666666668 16.5084 28.973 High carbon,Dark 21.486016666666668 7.24535 32.9393 High carbon,Light 17.626836153846153 0.0 34.5997 Low carbon,Dark 15.9179 15.9179 15.9179 Phloroglucinol 26.542066666666667 17.4233 31.5919 Silicon starvation,12h 19.3216 19.3216 19.3216