condition mean min max 12pM Fe,Midday 5.39933 5.39933 5.39933 12pM Fe,Midnight 21.06485 20.5887 21.541 58pM Fe,Midday 4.24674 4.24674 4.24674 58pM Fe,Midnight 47.91885714285714 16.1347 213.265 233pM Fe,Midnight 33.76316666666666 29.3794 38.4824 1160pM Fe,Midday 2.8332661428571426 0.992053 5.53078 1160pM Fe,Midnight 22.153333333333332 12.3169 29.5762 High carbon,Dark 19.698628666666668 2.85253 34.6916 High carbon,Light 9.935452307692309 0.0 27.5484 Low carbon,Dark 9.74857 9.74857 9.74857 Phloroglucinol 8.760966666666667 7.20641 10.9019 Silicon starvation,12h 20.8217 20.8217 20.8217