condition mean min max 12pM Fe,Midday 43.5979 43.5979 43.5979 12pM Fe,Midnight 33.926050000000004 29.2357 38.6164 58pM Fe,Midday 32.0424 32.0424 32.0424 58pM Fe,Midnight 22.057514285714287 0.0 32.5914 233pM Fe,Midnight 24.967366666666667 23.3815 27.4481 1160pM Fe,Midday 25.22517142857143 23.4185 26.8397 1160pM Fe,Midnight 20.06955 17.1979 22.0265 High carbon,Dark 26.72622 15.0863 36.5894 High carbon,Light 23.78384846153846 9.52743 42.4404 Low carbon,Dark 20.9051 20.9051 20.9051 Phloroglucinol 32.236533333333334 27.1116 39.442 Silicon starvation,12h 36.1921 36.1921 36.1921