condition mean min max 12pM Fe,Midday 24.4498 24.4498 24.4498 12pM Fe,Midnight 25.63945 17.0109 34.268 58pM Fe,Midday 19.9584 19.9584 19.9584 58pM Fe,Midnight 24.563871428571428 0.0 42.1854 233pM Fe,Midnight 25.438433333333332 24.122 27.7724 1160pM Fe,Midday 22.7626 19.7715 27.1174 1160pM Fe,Midnight 8.311585833333334 2.12318 20.5971 High carbon,Dark 84.864926 8.20769 273.886 High carbon,Light 48.74580230769231 7.48757 132.63 Low carbon,Dark 40.2896 40.2896 40.2896 Phloroglucinol 37.6479 30.371 43.1574 Silicon starvation,12h 20.7688 20.7688 20.7688