condition mean min max 12pM Fe,Midday 31.0212 31.0212 31.0212 12pM Fe,Midnight 26.4553 25.8086 27.102 58pM Fe,Midday 28.8657 28.8657 28.8657 58pM Fe,Midnight 21.1621 0.0 28.083 233pM Fe,Midnight 35.77256666666666 33.8349 38.5839 1160pM Fe,Midday 14.8122 12.4543 20.1737 1160pM Fe,Midnight 29.481508333333334 13.9984 46.9841 High carbon,Dark 56.41447333333333 17.7411 117.068 High carbon,Light 42.64336307692307 0.5615 113.582 Low carbon,Dark 15.2851 15.2851 15.2851 Phloroglucinol 23.54083333333333 10.7551 30.2704 Silicon starvation,12h 48.3954 48.3954 48.3954