condition mean min max 12pM Fe,Midday 1.26931 1.26931 1.26931 12pM Fe,Midnight 1.571535 1.32003 1.82304 58pM Fe,Midday 0.673887 0.673887 0.673887 58pM Fe,Midnight 1.1628781428571429 0.0 1.77625 233pM Fe,Midnight 0.6596813333333333 0.395244 1.10158 1160pM Fe,Midday 0.6345212857142857 0.195032 1.09798 1160pM Fe,Midnight 0.5110873833333334 0.0920246 0.902071 High carbon,Dark 2.5920712666666668 0.0 5.50224 High carbon,Light 0.35924684615384617 0.0 1.01167 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.0615776666666665 0.318153 3.45913 Silicon starvation,12h 0.649978 0.649978 0.649978