condition mean min max 12pM Fe,Midday 0.149439 0.149439 0.149439 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.016597 0.0 0.116179 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 0.5581337333333333 0.0 2.4168 High carbon,Light 0.4928236153846154 0.0 1.71056 Low carbon,Dark 0.242832 0.242832 0.242832 Phloroglucinol 0.323592 0.188956 0.407251 Silicon starvation,12h 0.0 0.0 0.0