condition mean min max 12pM Fe,Midday 50.7377 50.7377 50.7377 12pM Fe,Midnight 41.9132 40.2335 43.5929 58pM Fe,Midday 32.549 32.549 32.549 58pM Fe,Midnight 26.68042857142857 0.0 33.1108 233pM Fe,Midnight 15.829099999999999 14.2845 17.5355 1160pM Fe,Midday 19.40447142857143 18.0962 21.2809 1160pM Fe,Midnight 17.521564166666668 7.59757 26.3759 High carbon,Dark 23.311750666666665 7.56362 46.2025 High carbon,Light 17.768361538461537 1.74242 38.8124 Low carbon,Dark 15.1153 15.1153 15.1153 Phloroglucinol 37.70236666666667 33.5157 41.567 Silicon starvation,12h 17.6818 17.6818 17.6818