condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 1.56053 1.5499 1.57116 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.2062085714285713 0.0 4.69816 233pM Fe,Midnight 0.6310436666666667 0.0 0.956599 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.2029075 0.0 1.29885 High carbon,Dark 2.78548 0.0 15.2215 High carbon,Light 1.63873 0.0 14.663 Low carbon,Dark 17.1848 17.1848 17.1848 Phloroglucinol 0.31838333333333335 0.0 0.95515 Silicon starvation,12h 7.73632 7.73632 7.73632