condition mean min max 12pM Fe,Midday 69.6851 69.6851 69.6851 12pM Fe,Midnight 56.76275 52.1275 61.398 58pM Fe,Midday 30.4021 30.4021 30.4021 58pM Fe,Midnight 21.908385714285714 0.0 27.0755 233pM Fe,Midnight 20.470533333333332 19.9167 21.0961 1160pM Fe,Midday 30.843885714285715 26.8077 33.5046 1160pM Fe,Midnight 20.02705166666667 9.39131 35.1557 High carbon,Dark 43.786932666666665 3.46272 149.563 High carbon,Light 30.35069076923077 2.27914 113.888 Low carbon,Dark 19.659 19.659 19.659 Phloroglucinol 54.06196666666666 44.8795 64.5547 Silicon starvation,12h 29.4612 29.4612 29.4612