condition mean min max 12pM Fe,Midday 65.8015 65.8015 65.8015 12pM Fe,Midnight 55.942049999999995 52.3773 59.5068 58pM Fe,Midday 46.6346 46.6346 46.6346 58pM Fe,Midnight 47.3956 31.0192 110.86 233pM Fe,Midnight 27.339266666666667 25.518 28.533 1160pM Fe,Midday 41.46162857142857 38.3177 43.0355 1160pM Fe,Midnight 35.890683333333335 11.983 56.1611 High carbon,Dark 37.568404 8.15973 72.4456 High carbon,Light 27.45234153846154 5.6914 59.1222 Low carbon,Dark 27.8715 27.8715 27.8715 Phloroglucinol 60.4903 47.4863 78.188 Silicon starvation,12h 90.5811 90.5811 90.5811