condition mean min max 12pM Fe,Midday 28.0916 28.0916 28.0916 12pM Fe,Midnight 18.60855 18.3997 18.8174 58pM Fe,Midday 23.7066 23.7066 23.7066 58pM Fe,Midnight 12.047342857142857 0.0 16.8671 233pM Fe,Midnight 13.728033333333332 12.6824 14.2662 1160pM Fe,Midday 20.510828571428572 18.4868 23.2151 1160pM Fe,Midnight 8.597075 7.27011 10.3174 High carbon,Dark 12.132894 6.55457 19.1832 High carbon,Light 10.478988461538462 1.95564 20.001 Low carbon,Dark 10.4438 10.4438 10.4438 Phloroglucinol 7.459363333333333 6.10898 8.4463 Silicon starvation,12h 16.7228 16.7228 16.7228