condition mean min max 12pM Fe,Midday 14.9597 14.9597 14.9597 12pM Fe,Midnight 7.226765 4.8617 9.59183 58pM Fe,Midday 5.79119 5.79119 5.79119 58pM Fe,Midnight 5.235197142857143 0.0 9.39423 233pM Fe,Midnight 3.20967 2.36803 3.76733 1160pM Fe,Midday 6.522912857142857 3.30864 9.07848 1160pM Fe,Midnight 2.30091075 0.738299 3.86683 High carbon,Dark 3.9493726666666666 0.0 8.47812 High carbon,Light 5.318175384615385 0.0 11.1779 Low carbon,Dark 5.31757 5.31757 5.31757 Phloroglucinol 2.96063 1.17176 4.45901 Silicon starvation,12h 6.1177 6.1177 6.1177