condition mean min max 12pM Fe,Midday 51.3164 51.3164 51.3164 12pM Fe,Midnight 42.631550000000004 41.0611 44.202 58pM Fe,Midday 42.158 42.158 42.158 58pM Fe,Midnight 31.14532857142857 0.0 38.2684 233pM Fe,Midnight 11.168233333333333 10.2883 12.0058 1160pM Fe,Midday 27.824242857142856 25.5783 31.6916 1160pM Fe,Midnight 13.656875833333334 9.17791 19.3309 High carbon,Dark 11.101496666666666 7.06143 22.3706 High carbon,Light 9.64611076923077 4.60101 17.56 Low carbon,Dark 9.54702 9.54702 9.54702 Phloroglucinol 20.764599999999998 15.7042 24.7673 Silicon starvation,12h 10.9686 10.9686 10.9686