condition mean min max 12pM Fe,Midday 20.8302 20.8302 20.8302 12pM Fe,Midnight 28.318199999999997 26.9929 29.6435 58pM Fe,Midday 25.222 25.222 25.222 58pM Fe,Midnight 18.024857142857144 0.0 28.6845 233pM Fe,Midnight 21.468866666666667 18.7758 24.8057 1160pM Fe,Midday 27.221985714285715 24.9929 31.2727 1160pM Fe,Midnight 11.767195833333334 9.42525 15.6358 High carbon,Dark 20.305346666666665 5.21281 39.713 High carbon,Light 17.123795384615384 2.58168 38.5501 Low carbon,Dark 16.9241 16.9241 16.9241 Phloroglucinol 50.54643333333333 42.5931 60.8745 Silicon starvation,12h 36.1789 36.1789 36.1789