condition mean min max 12pM Fe,Midday 140.537 140.537 140.537 12pM Fe,Midnight 159.921 122.117 197.725 58pM Fe,Midday 1404.08 1404.08 1404.08 58pM Fe,Midnight 499.23371428571426 120.216 986.179 233pM Fe,Midnight 67.39706666666667 65.5845 69.056 1160pM Fe,Midday 89.40418571428572 72.0766 107.35 1160pM Fe,Midnight 71.75115833333334 61.8175 88.6607 High carbon,Dark 93.66238 25.4016 396.759 High carbon,Light 78.50705384615385 28.225 151.046 Low carbon,Dark 83.4075 83.4075 83.4075 Phloroglucinol 43.0595 38.0872 47.0133 Silicon starvation,12h 86.1039 86.1039 86.1039