condition mean min max 12pM Fe,Midday 27.2933 27.2933 27.2933 12pM Fe,Midnight 60.18965 58.78 61.5993 58pM Fe,Midday 18.6695 18.6695 18.6695 58pM Fe,Midnight 51.045657142857145 0.0 71.5138 233pM Fe,Midnight 81.3123 78.5637 82.9379 1160pM Fe,Midday 16.537557142857143 14.0556 24.2303 1160pM Fe,Midnight 120.177275 94.1514 142.348 High carbon,Dark 71.43864666666667 42.3378 105.267 High carbon,Light 40.26122230769231 5.15922 87.747 Low carbon,Dark 26.7362 26.7362 26.7362 Phloroglucinol 22.5543 18.9687 26.3758 Silicon starvation,12h 43.2831 43.2831 43.2831