condition mean min max 12pM Fe,Midday 22.7754 22.7754 22.7754 12pM Fe,Midnight 23.879350000000002 23.6856 24.0731 58pM Fe,Midday 17.0993 17.0993 17.0993 58pM Fe,Midnight 13.330285714285713 0.0 18.7796 233pM Fe,Midnight 14.368366666666667 12.2359 16.6854 1160pM Fe,Midday 17.157685714285716 13.6409 23.8601 1160pM Fe,Midnight 11.74802 8.51046 16.6071 High carbon,Dark 21.855753333333332 10.8458 33.6572 High carbon,Light 20.06026153846154 1.62524 31.5828 Low carbon,Dark 29.1588 29.1588 29.1588 Phloroglucinol 39.6712 24.4348 63.0081 Silicon starvation,12h 46.7292 46.7292 46.7292