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 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.04048966666666667 0.0 0.485876 High carbon,Dark 1.0992973333333333 0.0 5.6358 High carbon,Light 0.2891606153846154 0.0 1.83804 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.9754696666666667 0.39306 2.13678 Silicon starvation,12h 0.356894 0.356894 0.356894