condition mean min max 12pM Fe,Midday 608.359 608.359 608.359 12pM Fe,Midnight 1284.775 1113.3 1456.25 58pM Fe,Midday 344.746 344.746 344.746 58pM Fe,Midnight 549.798 413.667 690.289 233pM Fe,Midnight 146.66633333333334 136.23 155.615 1160pM Fe,Midday 82.67921428571428 69.5004 108.744 1160pM Fe,Midnight 70.673775 35.2419 131.754 High carbon,Dark 221.141342 6.89953 554.243 High carbon,Light 122.49906153846153 10.6718 429.228 Low carbon,Dark 196.297 196.297 196.297 Phloroglucinol 22.720266666666667 13.9902 34.8485 Silicon starvation,12h 8.87531 8.87531 8.87531