condition mean min max 12pM Fe,Midday 51.1497 51.1497 51.1497 12pM Fe,Midnight 48.93345 47.2265 50.6404 58pM Fe,Midday 223.583 223.583 223.583 58pM Fe,Midnight 70.58341428571428 29.5856 143.154 233pM Fe,Midnight 26.342166666666667 24.7436 27.3949 1160pM Fe,Midday 24.61812857142857 22.1606 28.1564 1160pM Fe,Midnight 17.624325 12.6146 23.031 High carbon,Dark 24.657986666666666 12.8609 47.4118 High carbon,Light 17.402526153846154 2.409 44.121 Low carbon,Dark 17.6207 17.6207 17.6207 Phloroglucinol 11.762066666666668 11.6668 11.8484 Silicon starvation,12h 25.6103 25.6103 25.6103