condition mean min max 12pM Fe,Midday 45.6195 45.6195 45.6195 12pM Fe,Midnight 40.76235 37.8955 43.6292 58pM Fe,Midday 50.0641 50.0641 50.0641 58pM Fe,Midnight 44.27657142857143 36.7194 66.6001 233pM Fe,Midnight 48.82876666666667 46.4368 50.3454 1160pM Fe,Midday 33.4691 27.9197 37.8634 1160pM Fe,Midnight 65.095375 49.5595 78.9459 High carbon,Dark 75.38554666666667 18.2616 138.866 High carbon,Light 87.49550846153846 1.70828 200.627 Low carbon,Dark 35.4667 35.4667 35.4667 Phloroglucinol 90.81893333333333 76.3673 100.326 Silicon starvation,12h 50.3132 50.3132 50.3132