condition mean min max 12pM Fe,Midday 56.1461 56.1461 56.1461 12pM Fe,Midnight 47.31905 46.9967 47.6414 58pM Fe,Midday 20.0206 20.0206 20.0206 58pM Fe,Midnight 33.79992857142857 0.0 49.2238 233pM Fe,Midnight 18.85216666666667 17.51 20.4327 1160pM Fe,Midday 37.153285714285715 25.7077 48.2852 1160pM Fe,Midnight 66.611225 15.0581 95.6778 High carbon,Dark 28.468553333333332 13.6567 51.1987 High carbon,Light 29.80602923076923 8.55128 54.523 Low carbon,Dark 27.6884 27.6884 27.6884 Phloroglucinol 83.92696666666667 38.5083 140.574 Silicon starvation,12h 53.8781 53.8781 53.8781