condition mean min max 12pM Fe,Midday 14.7044 14.7044 14.7044 12pM Fe,Midnight 16.108150000000002 14.7834 17.4329 58pM Fe,Midday 11.3197 11.3197 11.3197 58pM Fe,Midnight 15.060557142857142 0.0 21.7203 233pM Fe,Midnight 14.590066666666667 13.7362 15.1762 1160pM Fe,Midday 11.904885714285715 10.1806 13.1822 1160pM Fe,Midnight 12.902833333333334 11.3774 14.5558 High carbon,Dark 15.022839333333334 7.18904 27.2675 High carbon,Light 14.086461538461538 4.67461 25.7834 Low carbon,Dark 9.79659 9.79659 9.79659 Phloroglucinol 11.72974 7.99492 16.2294 Silicon starvation,12h 29.7842 29.7842 29.7842