condition mean min max 12pM Fe,Midday 79.5205 79.5205 79.5205 12pM Fe,Midnight 39.360749999999996 36.0666 42.6549 58pM Fe,Midday 51.1061 51.1061 51.1061 58pM Fe,Midnight 18.352457142857144 0.0 27.631 233pM Fe,Midnight 9.774273333333333 5.70778 14.0749 1160pM Fe,Midday 54.975928571428575 43.7292 63.8752 1160pM Fe,Midnight 12.820261666666667 5.46179 20.7482 High carbon,Dark 56.20918666666667 16.1347 118.828 High carbon,Light 57.42025384615385 12.8125 180.508 Low carbon,Dark 19.0426 19.0426 19.0426 Phloroglucinol 69.6717 51.326 96.8445 Silicon starvation,12h 23.813 23.813 23.813