condition mean min max 12pM Fe,Midday 37.1878 37.1878 37.1878 12pM Fe,Midnight 63.0648 61.3626 64.767 58pM Fe,Midday 22.9942 22.9942 22.9942 58pM Fe,Midnight 35.8419 0.0 57.4975 233pM Fe,Midnight 37.10746666666667 35.1779 39.4826 1160pM Fe,Midday 24.5907 17.095 40.8827 1160pM Fe,Midnight 32.32185833333333 25.3696 38.176 High carbon,Dark 27.045981333333334 8.98452 48.2884 High carbon,Light 12.385401307692307 0.829627 32.5855 Low carbon,Dark 16.3813 16.3813 16.3813 Phloroglucinol 30.549666666666667 22.0945 44.5671 Silicon starvation,12h 39.8956 39.8956 39.8956