condition mean min max 12pM Fe,Midday 38.1183 38.1183 38.1183 12pM Fe,Midnight 29.774749999999997 27.5386 32.0109 58pM Fe,Midday 26.416 26.416 26.416 58pM Fe,Midnight 18.21432857142857 0.0 24.8986 233pM Fe,Midnight 19.019933333333334 18.0668 19.6503 1160pM Fe,Midday 21.839557142857142 19.3349 24.3722 1160pM Fe,Midnight 9.561954166666666 5.84421 11.7972 High carbon,Dark 15.594285333333334 6.03442 23.7908 High carbon,Light 14.930865384615386 2.97886 28.9993 Low carbon,Dark 15.3482 15.3482 15.3482 Phloroglucinol 31.4054 27.3737 36.7718 Silicon starvation,12h 36.6587 36.6587 36.6587