condition mean min max 12pM Fe,Midday 25.5396 25.5396 25.5396 12pM Fe,Midnight 33.6659 27.6668 39.665 58pM Fe,Midday 16.9489 16.9489 16.9489 58pM Fe,Midnight 27.711914285714286 0.0 36.4762 233pM Fe,Midnight 33.70816666666667 33.3569 34.3024 1160pM Fe,Midday 22.023885714285715 19.6172 24.3042 1160pM Fe,Midnight 34.86604166666667 21.7988 47.7569 High carbon,Dark 31.663486666666667 19.7225 47.8054 High carbon,Light 21.806013076923076 7.72657 31.9618 Low carbon,Dark 19.0212 19.0212 19.0212 Phloroglucinol 17.03973333333333 12.2251 21.9773 Silicon starvation,12h 48.0338 48.0338 48.0338