condition mean min max 12pM Fe,Midday 6.75467 6.75467 6.75467 12pM Fe,Midnight 6.975 6.71918 7.23082 58pM Fe,Midday 6.66982 6.66982 6.66982 58pM Fe,Midnight 7.897127142857143 0.0 10.3279 233pM Fe,Midnight 7.89745 7.70687 8.18193 1160pM Fe,Midday 6.499207142857142 5.69668 7.20489 1160pM Fe,Midnight 3.8182825 2.05319 7.06672 High carbon,Dark 5.306099333333333 1.92632 9.88604 High carbon,Light 3.097266307692308 0.530423 10.5332 Low carbon,Dark 4.13592 4.13592 4.13592 Phloroglucinol 9.5831 3.31251 21.4758 Silicon starvation,12h 8.74467 8.74467 8.74467