condition mean min max 12pM Fe,Midday 27.8514 27.8514 27.8514 12pM Fe,Midnight 36.49995 33.6664 39.3335 58pM Fe,Midday 26.0845 26.0845 26.0845 58pM Fe,Midnight 41.58421428571428 23.5069 128.582 233pM Fe,Midnight 23.416233333333334 22.6386 24.9638 1160pM Fe,Midday 22.62977142857143 20.0531 24.7404 1160pM Fe,Midnight 13.789708333333333 10.2692 16.7209 High carbon,Dark 27.546560666666668 6.34016 68.8413 High carbon,Light 25.275622307692306 2.6948 62.5095 Low carbon,Dark 17.3389 17.3389 17.3389 Phloroglucinol 20.856633333333335 18.5857 24.8896 Silicon starvation,12h 29.2236 29.2236 29.2236