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 0.448798 0.448798 0.448798 58pM Fe,Midnight 0.028657571428571428 0.0 0.200603 233pM Fe,Midnight 0.10592766666666667 0.0 0.160576 1160pM Fe,Midday 0.375567 0.167078 0.642374 1160pM Fe,Midnight 0.24736925 0.0 0.919304 High carbon,Dark 1.367091 0.0 5.86686 High carbon,Light 0.9809811538461538 0.0 3.73227 Low carbon,Dark 2.88466 2.88466 2.88466 Phloroglucinol 0.5385896666666666 0.0 1.44299 Silicon starvation,12h 0.144292 0.144292 0.144292