condition mean min max 12pM Fe,Midday 34.5611 34.5611 34.5611 12pM Fe,Midnight 35.556349999999995 35.1705 35.9422 58pM Fe,Midday 24.0589 24.0589 24.0589 58pM Fe,Midnight 27.06522857142857 24.7204 29.9787 233pM Fe,Midnight 16.5851 16.0236 17.4803 1160pM Fe,Midday 18.627814285714287 17.5232 20.5705 1160pM Fe,Midnight 14.864175 11.8478 19.0143 High carbon,Dark 15.444934 6.59571 29.5665 High carbon,Light 10.731736153846153 1.97814 25.4952 Low carbon,Dark 11.1869 11.1869 11.1869 Phloroglucinol 22.4225 18.3452 26.1049 Silicon starvation,12h 23.3043 23.3043 23.3043