condition mean min max 12pM Fe,Midday 13.0496 13.0496 13.0496 12pM Fe,Midnight 17.24495 16.1044 18.3855 58pM Fe,Midday 10.7771 10.7771 10.7771 58pM Fe,Midnight 8.16754 0.0 11.6332 233pM Fe,Midnight 17.661933333333334 16.9339 18.2043 1160pM Fe,Midday 16.701 13.9564 19.0696 1160pM Fe,Midnight 10.183600833333333 6.13303 18.9713 High carbon,Dark 19.52938 3.42381 39.7265 High carbon,Light 13.493371538461538 2.04867 28.3946 Low carbon,Dark 17.5296 17.5296 17.5296 Phloroglucinol 24.821633333333335 17.4448 32.5994 Silicon starvation,12h 56.0328 56.0328 56.0328