condition mean min max 12pM Fe,Midday 5.42402 5.42402 5.42402 12pM Fe,Midnight 5.380025 5.11928 5.64077 58pM Fe,Midday 3.83954 3.83954 3.83954 58pM Fe,Midnight 2.6626914285714287 0.0 4.11803 233pM Fe,Midnight 2.66874 2.29698 2.88488 1160pM Fe,Midday 1.9934171428571428 1.4655 2.69079 1160pM Fe,Midnight 1.7601558333333334 1.04657 2.83133 High carbon,Dark 3.4714327333333332 0.776231 6.274 High carbon,Light 2.448257 0.510911 4.25502 Low carbon,Dark 6.69851 6.69851 6.69851 Phloroglucinol 4.564306666666667 2.88051 6.52576 Silicon starvation,12h 4.07365 4.07365 4.07365