condition mean min max 12pM Fe,Midday 29.5584 29.5584 29.5584 12pM Fe,Midnight 29.6214 28.0273 31.2155 58pM Fe,Midday 48.4631 48.4631 48.4631 58pM Fe,Midnight 24.0563 0.0 54.2977 233pM Fe,Midnight 15.417166666666667 13.5354 18.1653 1160pM Fe,Midday 26.993971428571427 19.8189 38.1105 1160pM Fe,Midnight 18.504971666666666 8.4984 30.892 High carbon,Dark 23.672461333333334 1.51799 56.058 High carbon,Light 29.555046923076922 4.09446 79.27 Low carbon,Dark 56.5075 56.5075 56.5075 Phloroglucinol 32.82123333333333 23.0845 43.2379 Silicon starvation,12h 69.7445 69.7445 69.7445