condition mean min max 12pM Fe,Midday 12.5277 12.5277 12.5277 12pM Fe,Midnight 26.623649999999998 22.848 30.3993 58pM Fe,Midday 16.6276 16.6276 16.6276 58pM Fe,Midnight 24.466099999999997 0.0 37.5945 233pM Fe,Midnight 21.010666666666665 17.6272 22.8661 1160pM Fe,Midday 12.397308571428571 7.63932 22.4678 1160pM Fe,Midnight 15.9627525 4.29109 42.8897 High carbon,Dark 10.196504666666668 1.24502 22.5115 High carbon,Light 6.157022846153846 0.0 12.481 Low carbon,Dark 12.4404 12.4404 12.4404 Phloroglucinol 5.077613333333334 3.92508 7.04021 Silicon starvation,12h 5.54388 5.54388 5.54388