condition mean min max 12pM Fe,Midday 7.72086 7.72086 7.72086 12pM Fe,Midnight 13.05875 11.7011 14.4164 58pM Fe,Midday 12.2661 12.2661 12.2661 58pM Fe,Midnight 13.59382857142857 0.0 19.5491 233pM Fe,Midnight 42.8713 41.0892 44.7759 1160pM Fe,Midday 2.0344465714285715 0.701886 4.27742 1160pM Fe,Midnight 19.392009166666668 3.04836 48.8614 High carbon,Dark 66.73375333333334 12.5152 207.734 High carbon,Light 45.032530076923074 0.0 177.476 Low carbon,Dark 21.1003 21.1003 21.1003 Phloroglucinol 4.98625 1.4422 8.13678 Silicon starvation,12h 30.7505 30.7505 30.7505