condition mean min max 12pM Fe,Midday 57.8932 57.8932 57.8932 12pM Fe,Midnight 44.18365 37.12 51.2473 58pM Fe,Midday 47.2627 47.2627 47.2627 58pM Fe,Midnight 27.915057142857144 0.0 41.5912 233pM Fe,Midnight 25.000266666666665 23.3923 26.4016 1160pM Fe,Midday 36.211214285714284 29.6319 44.0441 1160pM Fe,Midnight 17.925933333333333 12.7205 22.3389 High carbon,Dark 25.55581 7.10025 41.6093 High carbon,Light 14.60195 2.80077 32.3128 Low carbon,Dark 11.1993 11.1993 11.1993 Phloroglucinol 54.803466666666665 44.6989 63.8343 Silicon starvation,12h 23.5282 23.5282 23.5282