condition mean min max 12pM Fe,Midday 32.1533 32.1533 32.1533 12pM Fe,Midnight 51.533500000000004 45.6332 57.4338 58pM Fe,Midday 25.1036 25.1036 25.1036 58pM Fe,Midnight 28.722285714285714 0.0 38.9505 233pM Fe,Midnight 26.647466666666666 26.2629 26.9736 1160pM Fe,Midday 10.354425714285714 8.1706 13.7615 1160pM Fe,Midnight 10.474908333333333 7.62157 14.2222 High carbon,Dark 22.504732 5.09608 36.9561 High carbon,Light 7.711105230769231 0.795958 14.3304 Low carbon,Dark 25.8166 25.8166 25.8166 Phloroglucinol 25.209633333333333 22.3999 26.8027 Silicon starvation,12h 22.1683 22.1683 22.1683