condition mean min max 12pM Fe,Midday 16.3286 16.3286 16.3286 12pM Fe,Midnight 24.9291 24.5656 25.2926 58pM Fe,Midday 16.0474 16.0474 16.0474 58pM Fe,Midnight 23.396285714285714 18.1072 45.8862 233pM Fe,Midnight 8.067843333333334 7.5601 8.68181 1160pM Fe,Midday 10.049748571428571 7.58981 12.2033 1160pM Fe,Midnight 5.673066666666667 3.2995 7.68916 High carbon,Dark 15.179720133333333 0.102292 38.4952 High carbon,Light 8.081052461538462 0.759912 25.3341 Low carbon,Dark 14.8923 14.8923 14.8923 Phloroglucinol 1.777296 0.727965 3.86946 Silicon starvation,12h 0.514098 0.514098 0.514098