condition mean min max 12pM Fe,Midday 82.6872 82.6872 82.6872 12pM Fe,Midnight 71.5103 69.5831 73.4375 58pM Fe,Midday 60.4972 60.4972 60.4972 58pM Fe,Midnight 66.53594285714286 47.1012 103.866 233pM Fe,Midnight 25.4017 21.9157 28.204 1160pM Fe,Midday 34.412057142857144 32.5316 37.7136 1160pM Fe,Midnight 38.009175 24.3874 46.6125 High carbon,Dark 30.960773333333332 10.9896 58.581 High carbon,Light 30.755893846153846 2.06413 61.1225 Low carbon,Dark 18.9913 18.9913 18.9913 Phloroglucinol 89.85443333333333 80.0233 108.432 Silicon starvation,12h 24.77 24.77 24.77