condition mean min max 12pM Fe,Midday 54.5833 54.5833 54.5833 12pM Fe,Midnight 38.1088 31.2205 44.9971 58pM Fe,Midday 48.9878 48.9878 48.9878 58pM Fe,Midnight 21.607242857142857 0.0 30.4623 233pM Fe,Midnight 21.488333333333333 20.7366 22.5809 1160pM Fe,Midday 26.782014285714286 24.4116 29.1538 1160pM Fe,Midnight 12.391733333333335 8.502 15.3693 High carbon,Dark 27.362135333333335 8.64112 53.4227 High carbon,Light 35.663480769230766 5.7382 62.9304 Low carbon,Dark 30.7268 30.7268 30.7268 Phloroglucinol 17.084433333333333 15.8801 18.2403 Silicon starvation,12h 60.1159 60.1159 60.1159