condition mean min max 12pM Fe,Midday 50.6713 50.6713 50.6713 12pM Fe,Midnight 46.690250000000006 43.0887 50.2918 58pM Fe,Midday 30.6865 30.6865 30.6865 58pM Fe,Midnight 43.796499999999995 35.8146 68.4904 233pM Fe,Midnight 26.631 25.7976 28.0583 1160pM Fe,Midday 24.148071428571427 20.6457 29.3215 1160pM Fe,Midnight 19.318466666666666 14.515 24.9266 High carbon,Dark 20.089057333333333 1.22146 30.877 High carbon,Light 13.655542307692308 6.29761 30.8631 Low carbon,Dark 15.0277 15.0277 15.0277 Phloroglucinol 22.564066666666665 16.54 32.0284 Silicon starvation,12h 45.6025 45.6025 45.6025