condition mean min max 12pM Fe,Midday 24.6079 24.6079 24.6079 12pM Fe,Midnight 23.1675 20.512 25.823 58pM Fe,Midday 18.2837 18.2837 18.2837 58pM Fe,Midnight 15.017900000000001 0.0 21.1756 233pM Fe,Midnight 26.3651 23.0562 28.6646 1160pM Fe,Midday 15.342328571428572 14.0334 18.4723 1160pM Fe,Midnight 36.06353333333333 11.6855 52.2127 High carbon,Dark 17.885516666666668 5.95448 32.4566 High carbon,Light 12.453849230769231 2.21175 25.0449 Low carbon,Dark 16.1779 16.1779 16.1779 Phloroglucinol 37.30553333333334 33.0188 43.585 Silicon starvation,12h 42.324 42.324 42.324