condition mean min max 12pM Fe,Midday 20.9768 20.9768 20.9768 12pM Fe,Midnight 14.59235 13.2787 15.906 58pM Fe,Midday 16.6782 16.6782 16.6782 58pM Fe,Midnight 9.37042857142857 0.0 11.7483 233pM Fe,Midnight 8.426133333333333 8.27723 8.70913 1160pM Fe,Midday 12.488242857142858 10.8085 14.4208 1160pM Fe,Midnight 3.9345208333333335 1.46648 10.27 High carbon,Dark 8.930724666666666 2.40919 31.7731 High carbon,Light 7.876499230769231 1.30261 18.7785 Low carbon,Dark 14.8202 14.8202 14.8202 Phloroglucinol 9.957326666666667 7.68808 11.6206 Silicon starvation,12h 20.5838 20.5838 20.5838