condition mean min max 12pM Fe,Midday 50.1598 50.1598 50.1598 12pM Fe,Midnight 46.99395 42.0115 51.9764 58pM Fe,Midday 38.7241 38.7241 38.7241 58pM Fe,Midnight 31.352171428571427 0.0 41.5412 233pM Fe,Midnight 32.0018 29.6656 33.7851 1160pM Fe,Midday 31.017314285714285 29.7588 35.1533 1160pM Fe,Midnight 12.1366325 8.04288 21.4778 High carbon,Dark 33.414593333333336 17.6342 55.8346 High carbon,Light 26.324832307692308 6.93652 47.3159 Low carbon,Dark 32.5484 32.5484 32.5484 Phloroglucinol 43.78593333333333 35.6504 59.6323 Silicon starvation,12h 68.4753 68.4753 68.4753