condition mean min max 12pM Fe,Midday 34.5995 34.5995 34.5995 12pM Fe,Midnight 28.885550000000002 26.5639 31.2072 58pM Fe,Midday 31.6426 31.6426 31.6426 58pM Fe,Midnight 16.821114285714287 0.0 20.9983 233pM Fe,Midnight 16.777966666666668 14.4091 18.1373 1160pM Fe,Midday 22.95177142857143 20.806 26.7504 1160pM Fe,Midnight 8.492100833333334 6.01889 10.2678 High carbon,Dark 14.902582666666667 5.52059 24.7996 High carbon,Light 16.09545023076923 0.546823 31.6404 Low carbon,Dark 25.2814 25.2814 25.2814 Phloroglucinol 17.350033333333336 13.9689 19.1429 Silicon starvation,12h 45.846 45.846 45.846