condition mean min max 12pM Fe,Midday 7.90898 7.90898 7.90898 12pM Fe,Midnight 10.50349 8.95308 12.0539 58pM Fe,Midday 5.55032 5.55032 5.55032 58pM Fe,Midnight 7.615054285714286 0.0 12.2313 233pM Fe,Midnight 9.234113333333333 8.89316 9.42633 1160pM Fe,Midday 5.788121428571428 4.60949 9.88217 1160pM Fe,Midnight 4.548159166666666 1.36621 10.3805 High carbon,Dark 4.732114666666667 1.4636 10.4415 High carbon,Light 2.713925 0.0 10.3249 Low carbon,Dark 4.87482 4.87482 4.87482 Phloroglucinol 3.39756 1.7944 4.31053 Silicon starvation,12h 6.9827 6.9827 6.9827