condition mean min max 12pM Fe,Midday 14.0753 14.0753 14.0753 12pM Fe,Midnight 11.880849999999999 11.3849 12.3768 58pM Fe,Midday 7.51221 7.51221 7.51221 58pM Fe,Midnight 5.680974285714286 0.0 7.46876 233pM Fe,Midnight 6.800473333333334 6.23229 7.09599 1160pM Fe,Midday 7.075962857142857 5.72644 8.68431 1160pM Fe,Midnight 2.09452 1.1743 4.17517 High carbon,Dark 4.14133 0.399665 8.82872 High carbon,Light 3.0170995384615384 0.0 7.85602 Low carbon,Dark 3.2674 3.2674 3.2674 Phloroglucinol 3.31432 2.51998 4.3787 Silicon starvation,12h 22.3726 22.3726 22.3726