condition mean min max 12pM Fe,Midday 24.4752 24.4752 24.4752 12pM Fe,Midnight 17.38315 17.2245 17.5418 58pM Fe,Midday 18.0374 18.0374 18.0374 58pM Fe,Midnight 17.939457142857144 15.605 23.8372 233pM Fe,Midnight 11.9634 11.2752 12.3871 1160pM Fe,Midday 16.538328571428572 15.1811 18.2894 1160pM Fe,Midnight 6.0053133333333335 3.61752 9.78283 High carbon,Dark 10.222719333333334 6.44786 17.126 High carbon,Light 7.3953961538461535 1.72581 15.4025 Low carbon,Dark 8.28114 8.28114 8.28114 Phloroglucinol 8.638256666666667 6.47086 12.1522 Silicon starvation,12h 14.1164 14.1164 14.1164