condition mean min max 12pM Fe,Midday 44.2617 44.2617 44.2617 12pM Fe,Midnight 30.0111 28.6265 31.3957 58pM Fe,Midday 31.2893 31.2893 31.2893 58pM Fe,Midnight 16.73334285714286 0.0 22.3331 233pM Fe,Midnight 24.3137 24.0443 24.679 1160pM Fe,Midday 25.940057142857142 24.2134 26.9415 1160pM Fe,Midnight 19.542675 12.8184 25.1547 High carbon,Dark 23.280993333333335 14.7251 33.3603 High carbon,Light 22.667214615384616 8.43612 44.5137 Low carbon,Dark 24.0397 24.0397 24.0397 Phloroglucinol 27.079633333333334 24.4947 30.1123 Silicon starvation,12h 38.1175 38.1175 38.1175