condition mean min max 12pM Fe,Midday 33.4425 33.4425 33.4425 12pM Fe,Midnight 38.9095 38.7682 39.0508 58pM Fe,Midday 21.7584 21.7584 21.7584 58pM Fe,Midnight 33.390742857142854 23.9089 69.9314 233pM Fe,Midnight 33.91496666666667 32.2548 35.1257 1160pM Fe,Midday 19.780957142857144 17.6909 21.5363 1160pM Fe,Midnight 19.007391666666667 14.7133 23.9638 High carbon,Dark 32.109889333333335 7.32704 55.7139 High carbon,Light 55.42213846153846 10.4231 107.789 Low carbon,Dark 35.163 35.163 35.163 Phloroglucinol 14.103433333333333 11.4592 17.7228 Silicon starvation,12h 43.428 43.428 43.428