condition mean min max 12pM Fe,Midday 23.0812 23.0812 23.0812 12pM Fe,Midnight 18.12825 17.3966 18.8599 58pM Fe,Midday 13.9629 13.9629 13.9629 58pM Fe,Midnight 13.174857142857142 0.0 17.8813 233pM Fe,Midnight 12.7163 10.2673 14.1619 1160pM Fe,Midday 13.174785714285715 12.0454 15.3121 1160pM Fe,Midnight 7.003426666666667 4.53905 8.80278 High carbon,Dark 12.725517333333334 2.9863 18.5376 High carbon,Light 9.071629230769231 1.59518 16.5634 Low carbon,Dark 10.3333 10.3333 10.3333 Phloroglucinol 33.339 29.4825 39.405 Silicon starvation,12h 18.4927 18.4927 18.4927