condition mean min max 12pM Fe,Midday 28.1793 28.1793 28.1793 12pM Fe,Midnight 15.74525 14.7756 16.7149 58pM Fe,Midday 18.4699 18.4699 18.4699 58pM Fe,Midnight 11.350442857142857 0.0 14.3649 233pM Fe,Midnight 9.269316666666667 8.44962 9.91253 1160pM Fe,Midday 18.0263 14.4034 20.7103 1160pM Fe,Midnight 6.727824166666666 5.37008 8.40616 High carbon,Dark 11.936212666666666 5.10258 22.2898 High carbon,Light 12.710197153846153 0.737313 21.9609 Low carbon,Dark 13.2283 13.2283 13.2283 Phloroglucinol 5.62444 2.74678 9.24377 Silicon starvation,12h 23.0402 23.0402 23.0402