condition mean min max 12pM Fe,Midday 28.5202 28.5202 28.5202 12pM Fe,Midnight 60.203500000000005 60.0613 60.3457 58pM Fe,Midday 38.1695 38.1695 38.1695 58pM Fe,Midnight 68.5161 45.731 126.732 233pM Fe,Midnight 47.76663333333333 44.6258 51.2708 1160pM Fe,Midday 21.16837142857143 17.3816 25.3826 1160pM Fe,Midnight 42.56953333333333 36.1894 54.6759 High carbon,Dark 24.000590666666668 3.7349 48.1308 High carbon,Light 31.34824230769231 3.35804 89.822 Low carbon,Dark 36.4961 36.4961 36.4961 Phloroglucinol 10.996223333333333 8.79013 14.816 Silicon starvation,12h 43.6104 43.6104 43.6104