condition mean min max 12pM Fe,Midday 22.9356 22.9356 22.9356 12pM Fe,Midnight 20.3563 19.884 20.8286 58pM Fe,Midday 19.437 19.437 19.437 58pM Fe,Midnight 36.98498571428571 16.3241 114.835 233pM Fe,Midnight 21.398033333333334 19.5142 24.4304 1160pM Fe,Midday 19.272057142857143 17.3609 23.8362 1160pM Fe,Midnight 15.836292499999999 7.2207 32.0569 High carbon,Dark 16.563617333333333 1.69215 33.0038 High carbon,Light 15.925286923076923 0.598153 34.3166 Low carbon,Dark 14.1729 14.1729 14.1729 Phloroglucinol 8.83185 8.50178 9.19036 Silicon starvation,12h 18.0122 18.0122 18.0122