condition mean min max 12pM Fe,Midday 9.89786 9.89786 9.89786 12pM Fe,Midnight 8.497855000000001 8.05569 8.94002 58pM Fe,Midday 5.23581 5.23581 5.23581 58pM Fe,Midnight 8.382412857142857 0.0 10.8097 233pM Fe,Midnight 7.2180100000000005 6.88021 7.5711 1160pM Fe,Midday 5.341614285714286 4.29798 7.08795 1160pM Fe,Midnight 10.8073775 4.87168 15.5003 High carbon,Dark 8.200482666666666 1.0231 15.1162 High carbon,Light 3.9694394615384616 0.874403 7.72369 Low carbon,Dark 7.16772 7.16772 7.16772 Phloroglucinol 19.528866666666666 14.6967 23.8062 Silicon starvation,12h 11.2019 11.2019 11.2019