condition mean min max 12pM Fe,Midday 3.36338 3.36338 3.36338 12pM Fe,Midnight 0.575075 0.0 1.15015 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.0490231428571428 0.0 1.89248 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.23794071428571428 0.0 0.926963 1160pM Fe,Midnight 0.9852535833333333 0.0 2.70402 High carbon,Dark 2.680039333333333 0.0 13.1011 High carbon,Light 1.0882692307692308 0.0 4.92779 Low carbon,Dark 3.64358 3.64358 3.64358 Phloroglucinol 3.3218916666666667 0.763825 7.79679 Silicon starvation,12h 7.01676 7.01676 7.01676