condition mean min max 12pM Fe,Midday 51.4269 51.4269 51.4269 12pM Fe,Midnight 27.76595 24.9464 30.5855 58pM Fe,Midday 45.7957 45.7957 45.7957 58pM Fe,Midnight 26.5333 0.0 37.0432 233pM Fe,Midnight 20.370966666666668 19.9744 21.0832 1160pM Fe,Midday 46.45144285714286 42.928 47.9353 1160pM Fe,Midnight 18.308333333333334 15.1625 23.7371 High carbon,Dark 24.08866 16.6662 33.5458 High carbon,Light 29.246626153846154 4.84014 53.1471 Low carbon,Dark 12.2814 12.2814 12.2814 Phloroglucinol 24.314933333333336 15.2376 36.8282 Silicon starvation,12h 36.1781 36.1781 36.1781