condition mean min max 12pM Fe,Midday 33.4148 33.4148 33.4148 12pM Fe,Midnight 35.982 35.7956 36.1684 58pM Fe,Midday 29.5669 29.5669 29.5669 58pM Fe,Midnight 25.148457142857144 0.0 31.7992 233pM Fe,Midnight 21.211133333333333 19.8682 22.8847 1160pM Fe,Midday 21.115585714285714 19.3054 23.2873 1160pM Fe,Midnight 10.570935 7.30708 15.0664 High carbon,Dark 16.27793266666667 4.32328 26.3392 High carbon,Light 13.38024846153846 2.5426 22.7972 Low carbon,Dark 15.1443 15.1443 15.1443 Phloroglucinol 14.295666666666667 11.0657 17.5774 Silicon starvation,12h 34.7259 34.7259 34.7259