condition mean min max 12pM Fe,Midday 20.9249 20.9249 20.9249 12pM Fe,Midnight 16.46765 14.6363 18.299 58pM Fe,Midday 18.5153 18.5153 18.5153 58pM Fe,Midnight 12.567685714285714 0.0 16.4566 233pM Fe,Midnight 16.5532 13.3275 18.8673 1160pM Fe,Midday 15.7128 10.6525 20.4783 1160pM Fe,Midnight 8.049031666666666 2.57859 15.86 High carbon,Dark 14.074222 4.98226 24.013 High carbon,Light 12.370733846153845 2.64175 19.5094 Low carbon,Dark 9.2733 9.2733 9.2733 Phloroglucinol 4.787766666666666 3.88803 5.36402 Silicon starvation,12h 47.8929 47.8929 47.8929