condition mean min max 12pM Fe,Midday 37.3351 37.3351 37.3351 12pM Fe,Midnight 28.1212 27.2986 28.9438 58pM Fe,Midday 23.9059 23.9059 23.9059 58pM Fe,Midnight 29.108557142857144 24.1704 48.2623 233pM Fe,Midnight 20.438966666666666 19.3567 22.0065 1160pM Fe,Midday 22.154014285714286 19.4195 23.7855 1160pM Fe,Midnight 29.12125 13.2879 45.9559 High carbon,Dark 25.700375333333334 8.17673 47.0511 High carbon,Light 26.820035384615384 4.95542 54.8993 Low carbon,Dark 20.0756 20.0756 20.0756 Phloroglucinol 203.22466666666668 169.976 232.692 Silicon starvation,12h 32.4431 32.4431 32.4431