condition mean min max 12pM Fe,Midday 50.1582 50.1582 50.1582 12pM Fe,Midnight 41.826499999999996 40.9174 42.7356 58pM Fe,Midday 29.9447 29.9447 29.9447 58pM Fe,Midnight 23.763442857142856 0.0 31.9475 233pM Fe,Midnight 31.839666666666666 28.6025 37.8359 1160pM Fe,Midday 26.312728571428572 24.1421 30.8896 1160pM Fe,Midnight 14.061549166666667 7.9577 22.5866 High carbon,Dark 41.99557333333333 15.1031 107.274 High carbon,Light 41.124653076923074 4.91159 66.2088 Low carbon,Dark 16.6938 16.6938 16.6938 Phloroglucinol 31.620033333333332 20.8274 46.5244 Silicon starvation,12h 81.4893 81.4893 81.4893