condition mean min max 12pM Fe,Midday 40.2544 40.2544 40.2544 12pM Fe,Midnight 35.546 31.3413 39.7507 58pM Fe,Midday 23.4285 23.4285 23.4285 58pM Fe,Midnight 23.618628571428573 0.0 29.978 233pM Fe,Midnight 12.469933333333334 11.6094 13.9422 1160pM Fe,Midday 20.50252857142857 17.6052 23.4938 1160pM Fe,Midnight 13.670133333333334 10.1713 18.6916 High carbon,Dark 24.45934 1.7059 55.5223 High carbon,Light 16.72324923076923 3.29495 29.9712 Low carbon,Dark 20.638 20.638 20.638 Phloroglucinol 4.797276666666667 2.02335 7.33299 Silicon starvation,12h 21.8012 21.8012 21.8012