condition mean min max 12pM Fe,Midday 19.3757 19.3757 19.3757 12pM Fe,Midnight 21.2438 19.9717 22.5159 58pM Fe,Midday 21.6962 21.6962 21.6962 58pM Fe,Midnight 21.556342857142855 11.8861 60.9541 233pM Fe,Midnight 12.077233333333334 11.853 12.4361 1160pM Fe,Midday 14.832771428571428 12.6748 16.729 1160pM Fe,Midnight 9.40869 8.40473 11.0238 High carbon,Dark 19.860248 4.29425 55.7115 High carbon,Light 13.392317692307692 4.03779 25.9658 Low carbon,Dark 11.1451 11.1451 11.1451 Phloroglucinol 24.911166666666666 23.849 26.0018 Silicon starvation,12h 32.4872 32.4872 32.4872