condition mean min max 12pM Fe,Midday 59.413 59.413 59.413 12pM Fe,Midnight 49.70395 48.1425 51.2654 58pM Fe,Midday 50.0952 50.0952 50.0952 58pM Fe,Midnight 36.0552 0.0 44.8509 233pM Fe,Midnight 26.4868 24.9352 29.3047 1160pM Fe,Midday 36.72441428571429 34.068 40.9862 1160pM Fe,Midnight 26.632775 23.0538 30.0137 High carbon,Dark 59.16182 31.3014 103.667 High carbon,Light 41.79916 3.62365 78.4542 Low carbon,Dark 15.0413 15.0413 15.0413 Phloroglucinol 28.287933333333335 27.5176 29.0386 Silicon starvation,12h 40.6629 40.6629 40.6629