condition mean min max 12pM Fe,Midday 44.7158 44.7158 44.7158 12pM Fe,Midnight 43.3454 39.206 47.4848 58pM Fe,Midday 27.0572 27.0572 27.0572 58pM Fe,Midnight 26.32935714285714 0.0 32.4026 233pM Fe,Midnight 26.5549 25.5282 27.3911 1160pM Fe,Midday 24.473342857142857 22.8485 26.9759 1160pM Fe,Midnight 18.130266666666667 15.1085 21.3371 High carbon,Dark 29.145220000000002 13.4838 55.2865 High carbon,Light 22.35135846153846 4.19223 52.7913 Low carbon,Dark 27.0566 27.0566 27.0566 Phloroglucinol 29.271066666666666 22.5079 38.9551 Silicon starvation,12h 28.5998 28.5998 28.5998