condition mean min max 12pM Fe,Midday 55.8302 55.8302 55.8302 12pM Fe,Midnight 44.647999999999996 42.5023 46.7937 58pM Fe,Midday 52.3071 52.3071 52.3071 58pM Fe,Midnight 37.478614285714286 31.4894 64.8591 233pM Fe,Midnight 26.157433333333334 25.5309 26.7019 1160pM Fe,Midday 29.208357142857142 24.0833 33.0295 1160pM Fe,Midnight 18.014483333333335 12.9631 21.587 High carbon,Dark 36.333306666666665 13.0128 68.1753 High carbon,Light 48.630715384615385 6.65447 99.0336 Low carbon,Dark 20.7534 20.7534 20.7534 Phloroglucinol 25.985866666666666 15.5722 42.2635 Silicon starvation,12h 29.5856 29.5856 29.5856