condition mean min max 12pM Fe,Midday 24.3867 24.3867 24.3867 12pM Fe,Midnight 21.3215 20.6271 22.0159 58pM Fe,Midday 24.1679 24.1679 24.1679 58pM Fe,Midnight 29.670628571428573 12.0628 115.589 233pM Fe,Midnight 15.243500000000001 13.7698 16.9313 1160pM Fe,Midday 11.916584285714286 8.32389 13.8077 1160pM Fe,Midnight 7.043263333333333 4.36461 12.2251 High carbon,Dark 11.867455333333334 2.32666 26.2082 High carbon,Light 12.505000769230769 2.29709 20.4409 Low carbon,Dark 16.9078 16.9078 16.9078 Phloroglucinol 6.5656 4.89004 8.63965 Silicon starvation,12h 19.6104 19.6104 19.6104