condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.15148 0.0 0.30296 58pM Fe,Midday 0.261308 0.261308 0.261308 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.1620632 0.0 1.06678 High carbon,Light 0.03859646153846154 0.0 0.501754 Low carbon,Dark 0.479876 0.479876 0.479876 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0