condition mean min max 12pM Fe,Midday 48.4336 48.4336 48.4336 12pM Fe,Midnight 42.3952 38.5331 46.2573 58pM Fe,Midday 29.737 29.737 29.737 58pM Fe,Midnight 29.426614285714287 0.0 39.7032 233pM Fe,Midnight 22.244133333333334 20.6286 25.0332 1160pM Fe,Midday 35.11044285714286 30.8327 40.0456 1160pM Fe,Midnight 27.070349999999998 17.095 38.6737 High carbon,Dark 29.014644 5.74426 45.57 High carbon,Light 29.087416153846153 2.71557 55.2087 Low carbon,Dark 16.5972 16.5972 16.5972 Phloroglucinol 27.8301 20.6461 37.703 Silicon starvation,12h 41.0546 41.0546 41.0546