condition mean min max 12pM Fe,Midday 32.1011 32.1011 32.1011 12pM Fe,Midnight 35.24505 34.348 36.1421 58pM Fe,Midday 26.7638 26.7638 26.7638 58pM Fe,Midnight 41.539057142857146 30.3613 82.3935 233pM Fe,Midnight 30.3972 28.7243 33.1895 1160pM Fe,Midday 29.80527142857143 26.5149 32.8529 1160pM Fe,Midnight 17.893958333333334 14.9725 22.1424 High carbon,Dark 16.287835333333334 3.91389 30.5912 High carbon,Light 16.90097846153846 1.6374 33.5237 Low carbon,Dark 19.773 19.773 19.773 Phloroglucinol 15.620066666666666 12.5286 18.7912 Silicon starvation,12h 37.3203 37.3203 37.3203