condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.270408 0.0 0.540816 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.06688214285714286 0.0 0.468175 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.05785742857142857 0.0 0.405002 1160pM Fe,Midnight 0.2528276666666667 0.0 1.32679 High carbon,Dark 28.136860000000002 0.0 111.378 High carbon,Light 13.681469230769231 0.0 45.9286 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 17.4666 12.5706 21.3303 Silicon starvation,12h 1.79966 1.79966 1.79966