condition mean min max 12pM Fe,Midday 16.4303 16.4303 16.4303 12pM Fe,Midnight 16.71265 16.2325 17.1928 58pM Fe,Midday 12.6483 12.6483 12.6483 58pM Fe,Midnight 9.10935 0.0 13.3865 233pM Fe,Midnight 6.857566666666666 5.09255 8.01057 1160pM Fe,Midday 10.87317 9.33229 12.1453 1160pM Fe,Midnight 3.9001075 2.72456 5.12214 High carbon,Dark 6.490579333333333 3.46813 10.3866 High carbon,Light 6.705557692307692 2.32146 9.39073 Low carbon,Dark 7.74261 7.74261 7.74261 Phloroglucinol 12.269143333333332 8.95723 17.4626 Silicon starvation,12h 20.2859 20.2859 20.2859