condition mean min max 12pM Fe,Midday 39.0947 39.0947 39.0947 12pM Fe,Midnight 38.55175 37.5025 39.601 58pM Fe,Midday 34.5928 34.5928 34.5928 58pM Fe,Midnight 26.166485714285717 0.0 35.1389 233pM Fe,Midnight 33.637233333333334 31.3033 37.1389 1160pM Fe,Midday 23.323328571428572 18.0049 28.5459 1160pM Fe,Midnight 15.933955833333332 9.86897 22.9363 High carbon,Dark 33.41794 11.5249 48.4052 High carbon,Light 33.39975230769231 6.5264 66.581 Low carbon,Dark 47.0269 47.0269 47.0269 Phloroglucinol 40.704166666666666 35.6302 50.8492 Silicon starvation,12h 47.0873 47.0873 47.0873