condition mean min max 12pM Fe,Midday 139.848 139.848 139.848 12pM Fe,Midnight 152.724 113.598 191.85 58pM Fe,Midday 976.026 976.026 976.026 58pM Fe,Midnight 327.1148857142857 82.7159 679.372 233pM Fe,Midnight 40.5437 38.5372 42.0678 1160pM Fe,Midday 60.320528571428575 48.7333 75.1841 1160pM Fe,Midnight 64.23121666666667 56.5612 79.3285 High carbon,Dark 27.596066666666665 14.7071 49.4779 High carbon,Light 24.091822307692308 5.55929 42.2606 Low carbon,Dark 20.4596 20.4596 20.4596 Phloroglucinol 20.444566666666667 15.7795 25.8705 Silicon starvation,12h 37.6738 37.6738 37.6738