condition mean min max 12pM Fe,Midday 48.4572 48.4572 48.4572 12pM Fe,Midnight 34.9477 33.3245 36.5709 58pM Fe,Midday 30.958 30.958 30.958 58pM Fe,Midnight 24.129342857142856 21.188 25.5137 233pM Fe,Midnight 24.7508 24.0529 25.7382 1160pM Fe,Midday 26.706442857142857 24.2281 29.5286 1160pM Fe,Midnight 10.791756666666666 9.05063 12.8487 High carbon,Dark 19.082895333333333 5.00674 33.7004 High carbon,Light 15.061983846153845 2.75914 28.5028 Low carbon,Dark 15.3027 15.3027 15.3027 Phloroglucinol 33.294866666666664 27.9368 36.7904 Silicon starvation,12h 22.1786 22.1786 22.1786