condition mean min max 12pM Fe,Midday 41.106 41.106 41.106 12pM Fe,Midnight 38.860150000000004 35.8288 41.8915 58pM Fe,Midday 36.7371 36.7371 36.7371 58pM Fe,Midnight 29.189542857142857 0.0 37.4931 233pM Fe,Midnight 31.9359 31.1014 33.2682 1160pM Fe,Midday 33.26034285714286 31.5611 35.3791 1160pM Fe,Midnight 129.04585833333334 26.1068 205.088 High carbon,Dark 37.14092 18.8881 54.304 High carbon,Light 39.18276923076923 17.7758 70.4851 Low carbon,Dark 31.3053 31.3053 31.3053 Phloroglucinol 25.589166666666667 21.6893 31.515 Silicon starvation,12h 70.2813 70.2813 70.2813