condition mean min max 12pM Fe,Midday 9.6893 9.6893 9.6893 12pM Fe,Midnight 15.04657 9.94014 20.153 58pM Fe,Midday 14.6975 14.6975 14.6975 58pM Fe,Midnight 5.534091428571428 0.0 12.2929 233pM Fe,Midnight 10.07472 6.13506 13.7925 1160pM Fe,Midday 16.55096142857143 8.70802 24.6221 1160pM Fe,Midnight 3.7888041666666665 0.0 7.95919 High carbon,Dark 6.7853666666666665 0.0 19.7446 High carbon,Light 5.394829230769231 0.0 16.5484 Low carbon,Dark 6.74775 6.74775 6.74775 Phloroglucinol 13.1256 8.7511 16.48 Silicon starvation,12h 8.66315 8.66315 8.66315