condition mean min max 12pM Fe,Midday 18.7522 18.7522 18.7522 12pM Fe,Midnight 19.1281 18.8631 19.3931 58pM Fe,Midday 14.4697 14.4697 14.4697 58pM Fe,Midnight 17.40892857142857 16.2413 18.9931 233pM Fe,Midnight 7.75878 7.53406 8.10834 1160pM Fe,Midday 11.053148571428572 9.49751 13.1325 1160pM Fe,Midnight 14.25602 8.39821 18.7617 High carbon,Dark 12.62908 2.68688 20.8115 High carbon,Light 8.537494307692308 0.548792 21.1508 Low carbon,Dark 7.58613 7.58613 7.58613 Phloroglucinol 8.886113333333332 6.89675 12.0118 Silicon starvation,12h 5.3273 5.3273 5.3273