condition mean min max 12pM Fe,Midday 0.859315 0.859315 0.859315 12pM Fe,Midnight 0.4448115 0.293854 0.595769 58pM Fe,Midday 0.380181 0.380181 0.380181 58pM Fe,Midnight 0.3702708571428572 0.0 0.604392 233pM Fe,Midnight 0.3877173333333333 0.177562 0.71354 1160pM Fe,Midday 0.8950455714285714 0.675753 1.32098 1160pM Fe,Midnight 1.5120058333333333 1.03628 2.09317 High carbon,Dark 0.7106442666666667 0.0 2.53057 High carbon,Light 2.5087754615384616 0.0 18.5336 Low carbon,Dark 1.39636 1.39636 1.39636 Phloroglucinol 2.2671 1.75636 2.87184 Silicon starvation,12h 2.44462 2.44462 2.44462