condition mean min max 12pM Fe,Midday 11.9582 11.9582 11.9582 12pM Fe,Midnight 13.7956 12.9071 14.6841 58pM Fe,Midday 8.09617 8.09617 8.09617 58pM Fe,Midnight 6.498682857142857 0.0 8.68906 233pM Fe,Midnight 6.140796666666667 5.33498 6.7686 1160pM Fe,Midday 3.2116257142857143 2.62609 3.67151 1160pM Fe,Midnight 2.7537949999999998 1.75808 4.22427 High carbon,Dark 3.3143447999999998 0.287165 7.71242 High carbon,Light 1.5417914615384616 0.0 4.1456 Low carbon,Dark 4.26905 4.26905 4.26905 Phloroglucinol 7.320556666666667 5.24624 9.33568 Silicon starvation,12h 9.63874 9.63874 9.63874