condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.8954231428571429 0.0 2.79978 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.23241742857142858 0.0 1.1524 1160pM Fe,Midnight 1.01453325 0.0 2.77549 High carbon,Dark 0.4772115333333333 0.0 2.28313 High carbon,Light 0.3509676923076923 0.0 2.33017 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.418216666666667 0.0 5.88856 Silicon starvation,12h 0.0 0.0 0.0