condition mean min max 12pM Fe,Midday 7.19363 7.19363 7.19363 12pM Fe,Midnight 5.200609999999999 5.12989 5.27133 58pM Fe,Midday 3.54636 3.54636 3.54636 58pM Fe,Midnight 3.6485485714285715 0.0 5.16273 233pM Fe,Midnight 2.230026666666667 1.91999 2.66785 1160pM Fe,Midday 2.795652857142857 2.12421 3.39489 1160pM Fe,Midnight 3.8565758333333333 1.56461 5.90575 High carbon,Dark 5.4100604 0.977266 7.38661 High carbon,Light 3.1533467692307693 0.144159 6.143 Low carbon,Dark 2.33788 2.33788 2.33788 Phloroglucinol 4.73849 2.64023 8.26173 Silicon starvation,12h 4.09295 4.09295 4.09295