condition mean min max 12pM Fe,Midday 31.7519 31.7519 31.7519 12pM Fe,Midnight 21.232149999999997 20.5703 21.894 58pM Fe,Midday 20.7263 20.7263 20.7263 58pM Fe,Midnight 25.726185714285716 0.0 34.2083 233pM Fe,Midnight 25.0669 23.9883 26.3668 1160pM Fe,Midday 30.713942857142857 25.3786 38.31 1160pM Fe,Midnight 15.4193 10.4806 21.8879 High carbon,Dark 18.801937333333335 2.72664 41.1389 High carbon,Light 17.082880615384614 0.0 56.0072 Low carbon,Dark 24.5291 24.5291 24.5291 Phloroglucinol 2.8830066666666667 1.77317 3.91408 Silicon starvation,12h 23.3968 23.3968 23.3968