condition mean min max 12pM Fe,Midday 46.276 46.276 46.276 12pM Fe,Midnight 46.5667 44.5069 48.6265 58pM Fe,Midday 55.0227 55.0227 55.0227 58pM Fe,Midnight 46.123914285714285 35.6018 85.6796 233pM Fe,Midnight 50.584266666666664 47.7319 52.5916 1160pM Fe,Midday 24.47622857142857 21.7214 28.1057 1160pM Fe,Midnight 84.05514166666667 54.6433 112.629 High carbon,Dark 77.3265 25.9761 157.264 High carbon,Light 69.88439153846154 1.0143 191.271 Low carbon,Dark 27.8071 27.8071 27.8071 Phloroglucinol 23.318333333333335 11.8855 31.0352 Silicon starvation,12h 52.1106 52.1106 52.1106