condition mean min max 12pM Fe,Midday 62.8682 62.8682 62.8682 12pM Fe,Midnight 46.0728 43.1596 48.986 58pM Fe,Midday 52.0154 52.0154 52.0154 58pM Fe,Midnight 34.43024285714286 30.531 39.5956 233pM Fe,Midnight 35.7632 35.5375 36.077 1160pM Fe,Midday 37.45825714285714 30.4072 40.3593 1160pM Fe,Midnight 21.774083333333333 17.5536 25.7464 High carbon,Dark 27.596806666666666 12.7682 41.2808 High carbon,Light 30.066961538461538 11.7408 65.9632 Low carbon,Dark 24.0736 24.0736 24.0736 Phloroglucinol 43.862766666666666 37.6451 54.6078 Silicon starvation,12h 38.3637 38.3637 38.3637