condition mean min max 12pM Fe,Midday 0.286438 0.286438 0.286438 12pM Fe,Midnight 0.074471 0.0 0.148942 58pM Fe,Midday 0.126727 0.126727 0.126727 58pM Fe,Midnight 0.08167228571428571 0.0 0.236381 233pM Fe,Midnight 0.0302278 0.0 0.0906834 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0657055 0.0 0.220755 High carbon,Dark 0.5121321333333333 0.0 1.62698 High carbon,Light 0.4428180769230769 0.0 1.17098 Low carbon,Dark 0.698178 0.698178 0.698178 Phloroglucinol 0.5278936666666667 0.362184 0.683028 Silicon starvation,12h 0.325949 0.325949 0.325949