condition mean min max 12pM Fe,Midday 18.0075 18.0075 18.0075 12pM Fe,Midnight 24.097450000000002 22.195 25.9999 58pM Fe,Midday 11.2127 11.2127 11.2127 58pM Fe,Midnight 15.399414285714286 0.0 20.8275 233pM Fe,Midnight 18.970166666666668 16.5374 22.6367 1160pM Fe,Midday 12.367108571428572 9.17829 14.3596 1160pM Fe,Midnight 11.810489166666667 6.71594 19.3082 High carbon,Dark 18.805690666666667 8.15177 44.3966 High carbon,Light 9.961431538461538 1.42884 20.7101 Low carbon,Dark 7.5863 7.5863 7.5863 Phloroglucinol 10.760183333333334 6.74647 16.1308 Silicon starvation,12h 48.5721 48.5721 48.5721