condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.208006 0.0 0.416012 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.048894 0.0 0.342258 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.024289 0.0 0.291468 High carbon,Dark 0.28295173333333334 0.0 2.764 High carbon,Light 0.8065707692307692 0.0 3.93574 Low carbon,Dark 0.658946 0.658946 0.658946 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.9229 0.9229 0.9229