condition mean min max 12pM Fe,Midday 46.0641 46.0641 46.0641 12pM Fe,Midnight 27.1669 20.3233 34.0105 58pM Fe,Midday 45.7003 45.7003 45.7003 58pM Fe,Midnight 16.905957142857144 0.0 26.8589 233pM Fe,Midnight 12.152899999999999 11.4653 13.2577 1160pM Fe,Midday 30.4637 23.7297 39.3145 1160pM Fe,Midnight 14.319155833333333 7.49467 18.3422 High carbon,Dark 18.141488 2.69104 36.1189 High carbon,Light 15.752684615384615 0.0 30.4826 Low carbon,Dark 14.1766 14.1766 14.1766 Phloroglucinol 13.6011 10.9367 15.5259 Silicon starvation,12h 31.7686 31.7686 31.7686