condition mean min max 12pM Fe,Midday 29.3082 29.3082 29.3082 12pM Fe,Midnight 22.5156 21.4292 23.602 58pM Fe,Midday 26.1988 26.1988 26.1988 58pM Fe,Midnight 28.118971428571427 18.0668 71.1172 233pM Fe,Midnight 22.3614 21.2808 23.1906 1160pM Fe,Midday 23.19317142857143 22.0249 24.7127 1160pM Fe,Midnight 10.572839166666666 7.83216 13.3566 High carbon,Dark 14.6904414 0.634151 25.8356 High carbon,Light 9.900494615384616 5.33209 19.4165 Low carbon,Dark 13.6535 13.6535 13.6535 Phloroglucinol 5.034106666666666 3.44741 6.40602 Silicon starvation,12h 7.34175 7.34175 7.34175