condition mean min max 12pM Fe,Midday 39.1596 39.1596 39.1596 12pM Fe,Midnight 33.9571 33.7258 34.1884 58pM Fe,Midday 26.3085 26.3085 26.3085 58pM Fe,Midnight 17.823757142857144 0.0 22.3632 233pM Fe,Midnight 15.317300000000001 13.398 16.483 1160pM Fe,Midday 20.629285714285714 17.1882 23.3992 1160pM Fe,Midnight 7.4927375000000005 4.57194 11.0408 High carbon,Dark 14.098355999999999 6.05385 24.6985 High carbon,Light 12.303071538461538 0.0 27.1203 Low carbon,Dark 10.9983 10.9983 10.9983 Phloroglucinol 23.759866666666667 21.2061 26.8442 Silicon starvation,12h 21.1803 21.1803 21.1803