condition mean min max 12pM Fe,Midday 42.6047 42.6047 42.6047 12pM Fe,Midnight 35.85465 30.972 40.7373 58pM Fe,Midday 29.2805 29.2805 29.2805 58pM Fe,Midnight 15.685657142857142 0.0 22.6924 233pM Fe,Midnight 9.827936666666666 9.53124 10.0001 1160pM Fe,Midday 18.30334285714286 15.8835 22.0026 1160pM Fe,Midnight 5.90728 1.86622 10.3127 High carbon,Dark 9.9011984 0.722248 31.0131 High carbon,Light 8.727885769230769 0.487029 15.6667 Low carbon,Dark 14.1151 14.1151 14.1151 Phloroglucinol 16.128866666666667 12.1822 23.3904 Silicon starvation,12h 20.4752 20.4752 20.4752