condition mean min max 12pM Fe,Midday 27.0356 27.0356 27.0356 12pM Fe,Midnight 25.1255 20.8894 29.3616 58pM Fe,Midday 21.6512 21.6512 21.6512 58pM Fe,Midnight 19.74207142857143 0.0 25.7067 233pM Fe,Midnight 20.8562 19.7186 22.3782 1160pM Fe,Midday 18.958642857142856 16.0378 24.2373 1160pM Fe,Midnight 20.174425 14.5061 29.5257 High carbon,Dark 20.233526666666666 6.57305 30.2341 High carbon,Light 15.203297692307693 2.21618 25.1687 Low carbon,Dark 16.961 16.961 16.961 Phloroglucinol 14.705133333333334 10.4006 19.0023 Silicon starvation,12h 25.5075 25.5075 25.5075