condition mean min max 12pM Fe,Midday 38.2987 38.2987 38.2987 12pM Fe,Midnight 29.849600000000002 26.8237 32.8755 58pM Fe,Midday 26.2809 26.2809 26.2809 58pM Fe,Midnight 15.261728571428572 0.0 21.6392 233pM Fe,Midnight 13.032833333333333 11.6284 14.6028 1160pM Fe,Midday 23.32442857142857 17.5079 29.6971 1160pM Fe,Midnight 8.983104166666667 5.09996 18.6737 High carbon,Dark 17.231304666666666 2.55635 49.5518 High carbon,Light 14.869921538461538 1.44727 42.1376 Low carbon,Dark 6.35041 6.35041 6.35041 Phloroglucinol 26.5426 15.6728 33.602 Silicon starvation,12h 41.358 41.358 41.358