condition mean min max 12pM Fe,Midday 30.4311 30.4311 30.4311 12pM Fe,Midnight 14.4639 13.1042 15.8236 58pM Fe,Midday 23.935 23.935 23.935 58pM Fe,Midnight 10.534614285714285 0.0 12.9974 233pM Fe,Midnight 9.049346666666667 8.15117 9.87205 1160pM Fe,Midday 18.015428571428572 15.5314 23.3901 1160pM Fe,Midnight 6.478036666666667 5.13063 8.2551 High carbon,Dark 9.412344 2.29597 14.4855 High carbon,Light 10.794502692307692 0.221175 24.7034 Low carbon,Dark 10.3783 10.3783 10.3783 Phloroglucinol 10.49392 7.06256 14.2058 Silicon starvation,12h 19.1313 19.1313 19.1313