condition mean min max 12pM Fe,Midday 16.9454 16.9454 16.9454 12pM Fe,Midnight 17.3955 15.7396 19.0514 58pM Fe,Midday 12.7652 12.7652 12.7652 58pM Fe,Midnight 15.198771428571428 0.0 21.0118 233pM Fe,Midnight 21.236366666666665 20.9635 21.5766 1160pM Fe,Midday 12.041572857142857 8.70934 16.2068 1160pM Fe,Midnight 47.82285 21.8905 63.9819 High carbon,Dark 17.844006666666665 2.9035 29.5835 High carbon,Light 13.819784615384615 1.86114 27.2317 Low carbon,Dark 10.791 10.791 10.791 Phloroglucinol 8.273823333333333 6.02668 11.7009 Silicon starvation,12h 41.8229 41.8229 41.8229