condition mean min max 12pM Fe,Midday 1.23866 1.23866 1.23866 12pM Fe,Midnight 2.832585 1.87289 3.79228 58pM Fe,Midday 0.761817 0.761817 0.761817 58pM Fe,Midnight 0.668933 0.0 1.94914 233pM Fe,Midnight 0.15350538561333332 0.0 0.460515 1160pM Fe,Midday 0.8526925003228571 0.0 3.27406 1160pM Fe,Midnight 1.0322841666666667 0.0 2.90665 High carbon,Dark 1.5222855003333333 0.0 7.06181 High carbon,Light 0.9409802822223846 0.0 3.24507 Low carbon,Dark 1.22521e-07 1.22521e-07 1.22521e-07 Phloroglucinol 0.5761553333333334 0.0 1.12796 Silicon starvation,12h 1.15142 1.15142 1.15142