condition mean min max 12pM Fe,Midday 23.35 23.35 23.35 12pM Fe,Midnight 21.70415 21.45 21.9583 58pM Fe,Midday 14.5776 14.5776 14.5776 58pM Fe,Midnight 8.519142857142857 0.0 12.153 233pM Fe,Midnight 15.282733333333333 13.7508 16.2632 1160pM Fe,Midday 13.27742857142857 11.268 14.8013 1160pM Fe,Midnight 6.461173333333333 3.00954 10.7556 High carbon,Dark 14.185694666666667 1.39234 37.4194 High carbon,Light 12.028678615384615 0.763692 31.1653 Low carbon,Dark 15.8095 15.8095 15.8095 Phloroglucinol 21.493466666666666 17.558 26.3372 Silicon starvation,12h 22.5114 22.5114 22.5114