condition mean min max 12pM Fe,Midday 11.1869 11.1869 11.1869 12pM Fe,Midnight 14.8625 13.5729 16.1521 58pM Fe,Midday 13.9315 13.9315 13.9315 58pM Fe,Midnight 20.408022857142857 9.56706 73.6443 233pM Fe,Midnight 12.600733333333332 11.6744 13.4842 1160pM Fe,Midday 6.983287142857143 6.27829 8.22106 1160pM Fe,Midnight 36.94935666666667 6.8495 65.1413 High carbon,Dark 10.631868666666668 2.59414 27.5515 High carbon,Light 10.618132538461538 0.487843 27.0136 Low carbon,Dark 7.74261 7.74261 7.74261 Phloroglucinol 7.330686666666667 6.41772 8.04507 Silicon starvation,12h 20.3916 20.3916 20.3916