condition mean min max 12pM Fe,Midday 39.3139 39.3139 39.3139 12pM Fe,Midnight 25.495 25.1965 25.7935 58pM Fe,Midday 16.5844 16.5844 16.5844 58pM Fe,Midnight 16.65632857142857 0.0 21.199 233pM Fe,Midnight 17.071733333333334 14.7357 19.6827 1160pM Fe,Midday 28.482485714285716 26.7196 35.1511 1160pM Fe,Midnight 11.05312 6.68114 18.0085 High carbon,Dark 16.439234 4.82466 32.9814 High carbon,Light 15.98530076923077 1.0765 30.8093 Low carbon,Dark 11.1425 11.1425 11.1425 Phloroglucinol 26.694433333333333 19.4789 34.8823 Silicon starvation,12h 63.9841 63.9841 63.9841